irish osteoporosis news Issue No.1 Summer 2009 Price: €4 Men and osteoporosis It’s not just a woman’s disease Eating disorders How they can affect your bones Starting young Investing in your bones from childhood Bone health Takes centre stage Contents Summer ‘09 News 6 Craig Doyle launches three-dairy-a-day campaign...Vitamin D linked to muscle power... Pancakes ideal all year round... Mild anorexia harms bone structure Men 8 men 8 With one in five men now developing osteoporosis, it can no longer be thought of as a disease only affecting women. Bricklayer, Philip Byrne recounts his experience of a shock osteoporosis diagnosis Eating Disorders 10 At only 23 years old, Dr Ann Manley discovered that she had the bones of a 70 year old woman. She talks to Olivia Fens about how teenage anorexia caused some unexpected health problems Starting Young 13 13 starting young Looking after your bones in your childhood and teenage years is the best way of ensuring good bone health later in life Nutrition 15 Eating a healthy and varied diet rich in calcium and vitamin D is one of the most important ways of keeping your bones healthy 18 What is weight-bearing exercise and what is not? Olivia Fens reports Q&As 21 IOS president, Prof Moira O’Brien answers your questions about osteoporosis and bone health Join us 23 The Irish Osteoporosis Society is a charity dedicated to supporting people with osteoporosis and their families. See how you can become a member 15 nutrition irishosteoporosisnews Exercise 3 irish osteoporosis news Issue no.1 Summer 2009 Website: www.irishosteoporosis.ie Email: [email protected] Ph: Lo-call 1890 252 751 Fax: +353 (0)1 6351698 Irish Osteoporosis Society Editorial Board Prof Moira O’Brien Michele O’Brien Niall McLoughliin Produced by: Medmedia Publications 25 Adelaide St Dun Laoghaire Co.Dublin Tel: 01- 280 3967 Email: [email protected] www.medmedia.ie Welcome to the first Osteoporosis News We are delighted to present you with the first issue of Osteoporosis News. Our cover in this issue shows broadcaster Craig Doyle, who has been working with us on a major promotional campaign which has featured on prime time radio. This was undertaken in conjunction with the National Dairy Council to promote the consumption of threedairy-a-day to maintain bone health. Here, at the Irish Osteoporosis Society, we are dedicated to promoting bone health and reducing the prevalence of osteoporosis in Ireland. Osteoporosis is a silent disease that affects one in five men over 50, one in two women over 50, and also affects children. However, it is usually both preventable and treatable. In our first issue of Osteoporosis News, we examine the best ways to maintain good bone health. The Irish Osteoporosis Society thanks the following for supporting this issue: Ireland (Human Health) Limited Regular weight-bearing exercise and eating a diet rich in calcium and vitamin D are essential to keeping your bones strong and healthy. We highlight the growing incidence of osteoporosis in men and hear from a young bricklayer who, like many, was shocked to learn he had osteoporosis but is now well on the road to living a fulfilled and healthy life. This issue also focuses on the strong link between osteoporosis and eating disorders. Dr Ann Manley tells us how anorexia in her teenage years led to her discovery that she had osteoporosis at the age of 23. One of the best ways to prevent osteoporosis is to focus on bone health from a very early age. Healthy eating and regular exercise during childhood, especially the teenage years, cannot be underestimated, as it is then that the majority of our bone is laid down. President of the IOS, Prof Moira O’Brien, answers your most frequently asked questions and dispels some of the myths associated with osteoporosis. The Osteoporosis Society is a charitable organisation which was set up to support people with osteoporosis and their families. Our aim is to reduce the prevalence of this disease and to increase awareness generally about the importance of bone health. As a charity, we rely on donations to continue our many activities. For more information or to become a member, see page 23. We hope you enjoy our new magazine and find it helpful and informative. irishosteoporosisnews Osteoporosis Society of Ireland 12 Burlington Road (garden level) Ballsbridge Dublin 4 5 news Craig Doyle launches national campaign A major new campaign was recently launched to raise awareness that three portions of dairy a day, combined with good nutrition, can help to prevent and treat osteoporosis and ensure the development and maintenance of healthy bones, whatever your age. Sports presenter and international triathlete, Craig Doyle, has fronted the recent national radio advertising campaign to promote osteoporosis awareness and the importance of dairy products in developing and maintaining bone health. “Our goal, and that of the National Binge drinking bad for the bones It has already been shown that binge drinking can decrease bone mass and strength, increasing the risk of osteoporosis. Now researchers claim to have found a possible cause for this. According to a US study, alcohol disturbs the genes necessary for maintaining healthy bones. irishosteoporosisnews This finding could help in the development of new drugs to minimise bone loss in alcohol abusers. Such drugs may also help people who do not abuse alcohol but who are at risk of developing osteoporosis. 6 “Of course, the best way to prevent alcohol-induced bone loss is to not drink or drink moderately. But when prevention doesn’t work, we need other strategies to limit the damage,” explained one of the authors. The findings were published in Alcoholism Clinical and Experimental Research. Dairy Council is to encourage as many people as possible to adopt a bone-healthy lifestyle. “This can be achieved through eating a healthy diet, taking regular weight-bearing exercise, and being aware of the many risk factors for osteoporosis,” said Prof Moira O’Brien, president of the IOS. “We are hoping to prevent people from developing the disease which – if left untreated – can cause severe pain due to multiple fractures and loss of independence,” Prof O’Brien added. The Irish Osteoporosis Society and the National Dairy Council’s joint campaign highlights the importance of including three servings of milk, cheese or yogurt per day, as part of a balanced diet. For further details and booklets, see www.3aday.ie. Mild anorexia harms bone structure Children and teenagers with even mild cases of anorexia display abnormal bone structure, a new study has revealed. A team of US researchers set out to determine if changes in bone structure occur in the early stages of anorexia, before significant decreases in bone density become apparent. Bone loss is among the many health problems associated with anorexia. bone structure begin to occur in patients with anorexia well before decreases in bone density. “Adolescence is the most critical period for growth of bone mass, and the onset of anorexia interferes with that process. Impairment of bone development may permanently alter bone structure and increase the risk of fractures and osteoporosis in adult life,” explained Prof Miriam Bredella of Harvard Medical School. The researchers studied 10 girls aged 13 to 18 who had mild anorexia, and 10 girls of a similar age who did not have the disorder. She said that in patients with anorexia, bone structure should be analysed to detect abnormal bone health. CT scans showed significant differences in bone structure between the two groups. There was no difference, however, in bone density between the groups, indicating that changes in The results of this study appeared in the December issue of Radiology and were recently presented at the annual meeting of the Radiological Society of North America (RSNA). news Pancakes ideal all year round Pancakes are a delicious way to fulfil some of your daily dairy needs, and most of us see them as a welcome treat. According to the Irish Osteoporosis Society (IOS), pancakes are ideal all year round and are a perfect example of the many versatile ways to include milk and dairy in a balanced diet in order to achieve the recommended three portions of dairy a day. Kerrie Patten (age 10), from Clontarf, Evie McLoughlin (age 3) from Donnybrook, Jamie McLoughlin (age 5) from Donnybrook, Charlotte Patten (age 6), from Clontarf, with Ryan Tubridy jam and dairy cream, or ice cream. Experimenting with savoury ideas, such as roast vegetables or ham with grated cheese, are also delicious. Vitamin D linked to muscle power Muscle power and force in teenage girls is strongly associated with levels of vitamin D, according to a new UK study. Although vitamin D is naturally produced in the body through exposure to direct sunlight, vitamin D deficiency has become widely common in the US. Vitamin D deficiency has been shown to have a significant negative impact on muscle and bone health, and can lead to conditions such as osteoporosis and rickets. “We know vitamin D deficiency can weaken the muscular and skeletal systems, but until now, little was known about the relationship of vitamin D with muscle power and force. Our study found that vitamin D is positively related to muscle power, force, velocity and jump height in adolescent girls,” said Dr Kate Ward of the University of Manchester, who was the lead author of the study. For this study, researchers examined 99 girls between the ages of 12 and 14. Blood samples were taken to measure the girls’ levels of vitamin D. Many were found to have low levels of vitamin D despite not presenting with any symptoms. Researchers used a new method called jumping mechanography to measure muscle power and force. This calculates power and force measurements from a subject’s performance in a series of jumping activities. According to Dr Ward, this method of testing is ideal as the muscles required to jump are those most often affected in subjects with vitamin D deficiency. Girls without vitamin D deficiency performed significantly better in these tests. “Vitamin D affects the various ways muscles work and we’ve seen from this study that there may be no visible symptoms of vitamin D deficiency,” said Dr Ward, adding that further studies are needed. The results of the study will be published in the Journal of Clinical Endocrinology and Metabolism. Pancakes are nicest served straight from the pan. The IOS recommends using fortified milk with added calcium and vitamin D to make your pancakes. Irish not getting enough dairy Nearly one-third of Irish adults do not consume the basic three servings of dairy products a day for appropriate calcium intake as recommended by the Department of Health, according to the National Dairy Council (NDC). New research commissioned by the NDC, 29% of adults has shown that adults are not meeting their recommended calcium intake and are missing out on essential nutrients. The Council warned that a lack of dietary calcium could lead to serious long-term health risks like osteoporosis. The daily guidelines from the Department of Health recommend ‘three dairy a day’ for adults, such as a piece of cheese (about the size of a matchbox), a carton of yoghurt and one-third of a pint of milk. Higher levels of calcium are needed in women who are breastfeeding or are pregnant. Children and adolescents also need higher levels as 90% of adult bone mass is created in teen years. irishosteoporosisnews Serving pancakes with delicious fresh fruit and berries is a great way of also increasing your fruit intake. Try adding blueberries, raspberries or fresh fruit with a sprinkling of sugar or sugar substitute. As a treat, fill them with butter, lemon juice and castor sugar, 7 men Make no bones about it… Osteoporosis in men is increasing steadily, but most are not tested and treated until much later than women, writes Joanne McCarthy As many as 20% of all people with osteoporosis are men, although osteoporosis is often thought of as a woman’s disease. More men than ever before are now developing the disease as a result of reduced sex hormone levels caused by increasingly high stress levels, smoking, excessive alcohol consumption, steroids and physical inactivity. Osteoporosis in men continues to be under-diagnosed and under-treated. Because weak bones are usually associated with older women, men who suffer fractures are at a huge disadvantage when it comes to being screened for osteoporosis. irishosteoporosisnews A recent report by the International Osteoporosis Foundation found that the lack of awareness of osteoporosis in men is similar to the lack of awareness in women 50 years ago. 8 Osteoporosis occurs when the density of bones is reduced, meaning that bones become fragile and liable to break easily. Men lose the same amount of bone mass as women, with both losing almost half of the bone mass achieved during growth over the course of a lifetime. However, men compensate better for the loss of bone mass by naturally laying down more bone on the outer surface of the bone. They have larger skeletons so it takes longer for them to develop fractures, and they have no period of rapid hormonal change as women do, which occurs at the menopause. The new bone on the outer surface does not entirely compensate for the loss of bone, however, and so about one in every five men suffer osteoporotic fractures. This number is on the rise, with some estimating that by 2025, the number of fractures in men will be similar to the number in women. Key risk factors for men are the same as those for women except that men are affected by low levels of testosterone. Testosterone deficiency (hypogonadism) is the most common cause of osteoporosis in men. Symptoms include loss of sex drive, loss of erections, depression and/or fatigue. All other risk factors affecting women also apply to men. Stress Smoking, excess alcohol consumption and lack of exercise also increase the risk. High levels of stress are increasingly being linked to osteoporosis in men. Like many men, Philip Byrne, a 48-year-old bricklayer from Carlow, was shocked to discover that he had osteoporosis when he was diagnosed at the age of 45. “I injured my back, I thought maybe I had pulled a muscle or something. It went on for a long period of time and it got worse rather than better. It wouldn’t be uncommon for me to injure myself at work and still continue working through the pain. But this injury never went away, it got worse. “I eventually went for an x-ray. I didn’t have any broken bones, but it was suggested that I should go for a DXA scan, as my bone looked thin. That’s how they discovered I have osteoporosis,” he said. Like many men his age, Philip knew very little about osteoporosis. At first, it was a relief to get a diagnosis, but that relief quickly turned to shock when he was told that he would never work again. “It was a huge shock to me when I sat in front of the doctor and he gave me the bad news, which was that I would never work again. “In five minutes everything had changed, from me thinking I was just going to go into the chemist and get this sorted, to basically being told I was never going to work again. My whole world was upside down,” he said. Thankfully, Philip was able to prove that verdict entirely wrong. After seeing an osteoporosis specialist, he received the treatment he needed and made a number of lifestyle changes. “I was out of work for a full eight months. I’m back working now, but the way the industry is at the moment I’m in and out of work and to a degree that suits me, because I’m not up to full men “If I wasn’t involved in the construction industry, I believe things would be fine, but my job is very physical. I have to lift a lot of weight every day and my job involves a lot of bending. That’s where I’m having the most problems, with pain,” he explained. When he was diagnosed, Philip says he was ‘unfit to walk, let along work’. However, after responding well to his medication, changing his diet and starting regular weight-bearing exercise, he saw major changes. “I’m very cautious about what I do now. I watch what I’m eating and I make sure that I look after myself a lot better than I did a couple of years ago. “I thought I was looking after myself, but it’s a lot higher up on the list now. It’s number one on the list really, just to eat properly and be more active as far as exercise is concerned. “Before, I never used to eat in the mornings, I’d be up and out the door, always last minute. Now I eat a lot better. If I’m late, I’m late, and it doesn’t bother me too much any more,” he said. Optimistic Philip is now very optimistic about the future, and plans to stay working for a long time. He is currently completing a course in Carlow IT on Building and Energy Rating, and is hoping to get into that field, where he can use his building expertise but not have a physically demanding job. Philip attributes his disease to stress, and says he has had to make “quite a few changes” to the stressful lifestyle he was living before his diagnosis. He now recognises that he was taking on too much. “There was many a year that I would feel that I was doing too much, but then again I was over the top.You wouldn’t want to work with me, let’s put it that way! I’ve calmed down a lot. “I’m mindful that there are more important things than upsetting yourself over something you really might have no control over,” he said. Professor Moira O’Brien, president of the Irish Osteoporosis Society (IOS), believes that one of the major reasons for the increased incidence of osteoporosis in men is stress. Ten years ago, just one in 20 men had osteoporosis; now, one in five men get the silent disease. “Stress means that men have decreased sex hormones. If you have less sex hormones, you don’t absorb calcium and vitamin D.You lose calcium from your bones, and then you run into trouble. This applies to both men and women, but because men are not considered liable to get it, they’re often not investigated,” she explained. Prof O’Brien recommends that men who have low levels of sex hormones or who have had chemotherapy or radiation should have a DXA scan. In fact, every man should fill out a risk factor questionnaire and if they have one or more of the risk factors associated with osteoporosis, they should have a DXA scan, no matter how old they are. Increased awareness of the disease in men will amount to a rise in the number of men getting tested, and a rise in the number getting tested earlier. Osteoporosis is treatable in the majority of people, and the earlier it is detected, the higher the chance of success. irishosteoporosisnews speed yet. I have to take something for pain on occasion when I am working. 9 eatingdisorders Extreme thinness jeopardises bone health One woman in her 20s discovered that her eating disorder had aged her bones to that of a 70-year-old. Olivia Fens reports At every stage of life a nutritious, balanced diet promotes strong, healthy bones. A good diet includes sufficient calories and adequate protein, fat and carbohydrates, as well as vitamins and minerals – particularly vitamin D and calcium. In younger adults, a good diet helps to build bone mass and strength. However, for people with anorexia nervosa (an eating disorder that affects both men and women) restrictive eating leads to malnourishment. irishosteoporosisnews People who are malnourished have significantly lower than average bone density (quantity of bone that indicates bone strength) and are at an increased risk of developing osteoporosis at an early age. 10 For Dublin doctor, Ann Manley, her teenage anorexia caused osteoporosis at the age of 23. But it was a diagnosis of osteoporosis that helped her on the road to recovery from her eating disorder, while at the same time addressing her bone health before it was too late. “My mother had been diagnosed a couple of years before me and I knew a lot about osteoporosis being a medical student at the time,” Dr Manley said. “Actually, being diagnosed with osteoporosis made me realise that it wasn’t just my external appearance that was being affected by anorexia, it was my insides as well. And if my bones were affected who knows what else was going on inside my body.” Dr Manley’s GP suggested a DXA scan, which proved that her eating disorder had done a great deal of damage. “My bones were worse than my 70year-old mother’s bones at the time. She had moderate osteoporosis and my bones were worse than that, I wasn’t expecting that. I thought my bone mass might have been a bit low but I didn’t expect full-blown osteoporosis. So I think that gave me the shock and incentive to actually turn things around and to start eating again,” she said. Dr Manley is currently working as a hospital doctor in Waterford and hopes to become a specialist in old age medicine in the future. Family history and genetics Bone health is also largely dependent on genetics. Therefore, if a parent has osteoporosis their children are more susceptible to developing osteoporosis and fragile bones. Dr Manley’s whole family had been diagnosed with osteoporosis, dramatically increasing her osteoporosis risk. “I would have eventually developed osteoporosis more than likely because my sister has it, mother, aunts and granny have it,” she said. Her sister was diagnosed in her late 30s but her mother wasn’t diagnosed until the age of 68. She would not have expected to be diagnosed at the age of 23, but her eating disorder had brought it on prematurely. Osteoporosis in your 20s People with anorexia have a low bone density, so many will go on to have fractures at a young age. “Having osteoporosis in your 20s and 30s means a complete life change. I have broken ribs coughing, and I broke two bones in my foot while running for a bus,” Dr Manley said. “You can’t play contact sport and you can’t go skiing. A lot of my friends at the time were playing tag rugby and there was a great social scene connected to that and if you are in eatingdisorders “Now I do at least 30 minutes of walking a day, for both my bone health as well as my relaxation time – walking is a great de-stressor.” Recovery At 29 years old, Dr Manley’s bones are almost back to normal density. But it has only been through recognising her eating disorder that has led to her bone recovery. “My bones are almost back to normal now and recovering from anorexia has been the main step to improving my bone density,” she said. “Eating properly, getting my periods back and taking calcium and vitamin D supplements – all of those things helped my bones. “Obviously it was tough at the start, but with time I stopped over-exercising and started eating more. It took me a couple of years to really make the necessary changes.” Dr Manley was also on the combined oral contraceptive pill for a number of years to raise oestrogen and to help get her hormones back on track. Anorexia and bones Anorexia has a number of consequences on the body that can lead to severe bone loss, including: Low hormones Most women with anorexia have low levels of oestrogen. Oestrogen protects bone density, and low levels can lead to a loss of menstrual periods. Oestrogen deficiency in younger women contributes to bone loss in much the same way that oestrogen deficiency after menopause does. Men with anorexia have very low testosterone levels, which also affects bone density. Lack of nourishment Because people with anorexia restrict their food intake, their bodies lack calories and protein. This leads to malnourishment, causing the body to produce high levels of the steroid cortisol, which affects bone density and scaffolding. Lack of calcium Calcium is the building block of bone. Most people with anorexia limit or exclude dairy products, resulting in calcium deficiency. Lack of vitamin D Low levels of vitamin D affects calcium absorption. It can also affect nerve and muscle function. Therefore, low vitamin D levels can indirectly increase bone loss. The future The best time in life to ensure bone health for the future is to start from childhood. Exercise and good nutrition, with plenty of calcium-rich foods and enough regular sunshine to maintain vitamin D production, makes for strong bones. However, most people think that osteoporosis only affects older people. Besides genetics and diseases, osteoporosis can affect people of all ages for different reasons. “I think raising awareness is essential because if people know what osteoporosis is, then they know that it is preventable and treatable in most cases. I think this type of awareness may take the stigma away from osteoporosis,” she said. One way Ireland is raising awareness, Dr Manley adds, is the introduction of osteoporosis education to the school curriculum. Osteoporosis has been included in the home economics and biology syllabus for 2009. Over-exercising A lot of people with anorexia also over-exercise which can lead to the body switching off female/male hormones. irishosteoporosisnews your early 20s you want to be a part of it. But with osteoporosis I couldn’t go near a tag rugby pitch. 11 childhood Starting young It has been said that osteoporosis is a childhood disease that manifests itself in adulthood. Joanne McCarthy reports The more bone that gets laid down in childhood, the less risk there is of developing fractures later on. According to Prof Moira O’Brien, president of the Irish Osteoporosis Society, the growth period between the age of eight to 20 is extremely important when it comes to laying down bone and preventing osteoporosis. “All years are important when it comes to osteoporosis, but of particular importance are the growth years. The age varies from child to child, but it’s generally when they get the growth spurt, in puberty and pre-puberty,” she explained. In those years, children need more calcium, vitamin D and weight-bearing exercise than at any other time. They also need normal hormone levels and adequate calories. Calcium and vitamin D Calcium is the most abundant mineral found in our bones, helping to give them strength and rigidity. The recommended amount of calcium is 1,200 mg per day for boys and girls aged 11-18, according to the Food Safety Authority of Ireland. This amounts to about one litre of milk per day, but there are plenty of other sources of calcium that can be enjoyed if you don’t want to rely solely on milk. The good news is that cheese and yogurt are also great sources of calcium, and even broccoli, spinach, beans, oranges, tofu, salmon, whitebait, brazil nuts and dried apricots also all contain calcium. The really good news is that ice cream and even milk chocolate also count towards a child’s calcium intake. Vitamin D is needed to help the body absorb calcium. The major source of this is from sunlight on the skin, and about 15 to 20 minutes of sunlight a day during the summer months, before putting on sunblock or makeup, is adequate to enable the body to store enough vitamin D. much of the wrong foods, and then there are those that don’t eat enough for what they’re doing,” said Prof O’Brien. “Anorexia is becoming increasingly common in that age group, and it’s very worrying. Often, it means that girls don’t get their periods when they should, they don’t have normal hormones, and they don’t lay down the bone that they should. The trouble is, you’re really paying for it for the rest of your life,” she added. Prof O’Brien believes that the media may be playing an unhelpful role when it comes to provoking eating disorders. Teenagers constantly receive messages that they are too fat, and that there’s nothing wrong with being very thin. Staying out in the sun for too long can be dangerous, so it’s important to maintain a healthy balance. Foods such as fortified dairy products, margarine and fish oils also contain vitamin D. “The ‘size zero’ phenomenon is a disaster. People don’t realise the effect this weight loss has on their health. People don’t realise how it can shape their lives in later years,” she said. Adequate calories Taking adequate calories during this growth period is essential to healthy bones. Eating disorders, which often develop in adolescence, can have a detrimental impact on bone development. “It’s very hard for them to realise that just before you get your period you may put on a bit of weight. And it’s helpful if you do.Your hormones need a certain amount of weight. We’re not talking about a lot of weight, but the thing is if they are very thin their periods will be delayed,” Prof O’Brien added. “Adequate calories depend on how much exercise they do. There are two extremes. There are those that eat too Dairy products are often thought of as irishosteoporosisnews Investing in your bones at a young age is the best way to prevent osteoporosis later in life. With 60% of the bone a person will develop being laid down in childhood, there is never a more important time to get active and look after your calcium and vitamin D intake. 13 childhood fattening, but Prof O’Brien is quick to stress that they are not. Skimmed milk has even more calcium in it than whole milk, and super milk, which contains added calcium and vitamin D, is low in fat. Children can develop it as a result of being on steroids for treatment of asthma or skin diseases, or from having chemotherapy or radiation. However, these are just a few of the many causes of osteoporosis in children. “You don’t get fat from drinking milk. You’re far more likely to get fat from eating excess junk food, like crisps, burgers, and fries. Alcohol is also very fattening,” she pointed out. Prof O’Brien stresses that people with coeliac disease and cystic fibrosis are also at risk of developing it, and Ireland has some of the highest rates of both these conditions in the world. “Bones also need protein, meaning that people who are vegetarian during their teenage years are also at increased risk of developing osteoporosis,” Prof O’Brien added. However, osteoporosis is often not detected in childhood, because there are few warning signs. Exercise Weight bearing exercise describes any activity you do on your feet that works your bones and muscles against gravity, stimulating growth and therefore strength. Good bone-building exercises include running, brisk walking, aerobics, tennis, skipping, or even running up stairs. Weight bearing exercise is essential for children to build healthy bones during that important growth period. irishosteoporosisnews Prof O’Brien recommends that they get at least 30 to 60 minutes of exercise a day, but stresses that the exercise doesn’t have to be done all at once. 14 “In Canada, they found that doing jumps for five minutes in between classes during the school year improved children’s bone density by 5%.You don’t need any equipment for that, it’s a very simple idea. It’s not rocket science, it’s very simple basic common sense,” she said. Osteoporosis in children Osteoporosis can develop at any age, including childhood. Bones are laid down as early as when a child is in utero, and there are even children that are born with osteoporosis, according to Prof O’Brien. Prof O’Brien advises that if there is a strong family history, or if they have received treatment that may give rise to osteoporosis, they should have a DXA scan to see what their bone mineral density (BMD) is, and assess their risk of fracture. “Explaining the DXA results to them helps them to understand.You can explain it to them, tell them what the risk factors are, give them the information, but they have to decide what to do about it,” she said. “We had one case where two parents had osteoporosis and we tested their three sons. The son that did no exercise and didn’t drink any milk was worse than his parents, and he was only 17. It was only when we did the DXA scan that we found this out. “At that stage, he hadn’t broken anything. But you don’t want them to break anything. Prevention is so important,” Prof O’Brien explained. Prof O’Brien believes that there is now an osteoporosis epidemic in this country, largely due to the lack of exercise undertaken in schools and increased amounts of physical inactivity, as computer games and television shows replace activities. “Some schools have even used the excuse that they could be sued, and were using it as an excuse not to let the children run in the playground. Sometimes it’s easier to let kids sit down and do nothing, but they pay for it later on,” she explained. “The essential thing is, if somebody wants a good happy life, they need to lay down healthy habits when they’re young. That means regular weight-bearing exercise – exercise for everybody, it doesn’t have to be a competition – and adequate nutrition. “And if people have any problems, they should seek help straight away, and find out how they can correct them,” she concluded. Exercise, proper nutrition, calcium and vitamin D not only prevent osteoporosis, they also prevent diabetes, coronary heart disease, hypertension, and depression,. The formula for healthy bones is so simple and so cheap, yet its importance cannot be underestimated. Diet and osteoporosis Healthy eating is essential for healthy bones. Bones are living tissue and therefore need certain foods to stay strong and healthy • 50-55% carbohydrates: bread, cereal, pasta, rice, potatoes, fruit and vegetables • 30% fat, which should be poly and monounsaturated: low fat milk, yogurt, low fat cheese • 10-15% protein: fish, poultry and some red meat • 30 grams of fibre, from sources such as wholegrain cereals, fruit and vegetables • At least two litres of fluid (preferably water) a day. A simple way to adhere to the above is to follow the Department of Health’s food pyramid. Even if you are trying to lose weight, it is essential to have a diet containing sufficient calories, protein, fat and carbohydrates as well as calcium and vitamin D. Calcium and vitamin D are essential nutrients in the prevention and treatment of osteoporosis. Both help to prevent as well as treat osteoporosis, in tandem with appropriate weightbearing/strengthening exercises and a suitable osteoporosis medication. Substantial clinical evidence demonstrates that low calcium and vitamin D intake or poor absorption are linked to an increased risk of hip fractures in the elderly. It is therefore essential that older people get their daily amount of calcium and vitamin D, preferably in their food. If this is not possible, supplements are available. tinned fish also contain calcium, as do some dark green vegetables. Some brands of orange juice and most breakfast cereals have added calcium. Mineral water can often contain calcium, but check the details on the label as the amounts can vary. Calcium Calcium is the most abundant mineral found in our bones and helps to give bones strength and rigidity. Every cell in our body, including those in the heart, nerves and muscles, rely on calcium. Calcium alone is not enough to treat bone loss, and is not a substitute for osteoporosis medications that treat bone loss. It has been said that osteoporosis is a childhood disease that manifests itself in adult years. As children, it is necessary to grow a strong healthy skeleton that will last a lifetime. Typically we reach our peak bone mass by age 25 to 30, and the density of our bones will depend in part upon the calcium and vitamin D in childhood and teen years. Calcium is also particularly important at the time of menopause, because calcium absorption slows down, due to low levels of oestrogen. Studies in older adults shows that adequate calcium intake and vitamin D can lower the risk of fracture. You need to ensure that the food you eat is rich in calcium. Calcium is best absorbed from dairy products. The best sources of calcium are milk, cheese and yoghurt. Bread, almonds and Teenagers and pregnant women require 1,200mg/day of calcium and will need at least five servings per day to get the recommended daily intake. The servings below each contain between 250 and 300 mg of calcium. • A glass of milk. ‘Fortified milk’ is fortified with added calcium and vitamin D and is low fat • A matchbox-sized piece of low fat cheese • A carton of low fat yoghurt Calcium supplements To avoid constipation problems while taking calcium supplements, make sure to take plenty of fluids throughout the day (two litres is recommended, preferably water). Always consult your doctor before taking any new medication or supplement. Vitamin D Vitamin D is often referred to as the ‘sunshine vitamin’. It is critical for irishosteoporosisnews A well-balanced diet should contain a variety of foods which provide adequate calories. These should be made up of: 15 irishosteoporosisnews nutrition 16 calcium absorption as it increases the body’s ability to absorb calcium by 30 to 80%. Remember also to take plenty of fresh fruit and vegetables that contain other vitamins and minerals. thumb when eating high fibre foods is to include extra calcium, that will balance the inhibiting activity. The most important source of vitamin D is from the action of sunlight on the skin. About 15 to 20 minutes of sunlight on the face and arms every day during the summer months will enable the body to store vitamin D. However, it is very important to avoid over-exposure resulting in sunburn, due to the damaging effects of the sun, especially in terms of skin cancer. Wearing sun block continuously will stop vitamin D absorption. Caffeine Excessive intake of caffeine can contribute to calcium loss through the kidneys. Caffeine is contained in coffee, tea, chocolate, stimulant drinks and cola-based soft drinks. Decaffeinated beverages are recommended as a substitute or alternatively, adding extra calcium to counteract the effect of the caffeine. Choosing lattes, cappuccinos or hot chocolate made with milk will also help boost calcium intake. Vegetarians/vegans Vegetarians with a low intake of calcium, as well as vegans, need to calculate their average daily intake of calcium from food sources and may have to maximise their intake by taking a calcium supplement.Vegans should use milk substitutes that are fortified with calcium like soya and rice milk. A vitamin D supplement should also be taken if intake is low. Vitamin D can also be found in some foods. Fish oils and species of fish such as salmon, tuna, sardines, mackerel, halibut and herring are all excellent sources of vitamin D. Eating oily fish once a week should meet your vitamin D requirements. Magnesium Magnesium is often combined with calcium in supplements, even though it is not necessary for calcium absorption. It can however counteract the constipating effect some calcium supplements can have. Other dietary sources include dairy products, margarine, eggs and chicken livers. A lot of milk products and margarines are fortified with vitamin D, but check labels for specific nutrient information. Breakfast cereals, soya milk and rice milk may also be fortified with vitamin D. Individual brand labels show detailed nutritional information. Protein Protein is necessary for building and repairing all body tissue. Protein foods (meat, fish, poultry, eggs, diary and some legumes such as peas, beans, and lentils) contain amino acids that are building blocks for repair and maintenance. Note that the amino-acid profile of vegetarian sources of protein are not as good, and many vegetarians therefore do not consume enough protein. A lot of women and seniors also do not consume enough protein daily. Vitamin D supplements People who may become deficient in vitamin D, such as senior citizens living in nursing homes who rarely spend time outside, require supplements of vitamin D and calcium. If you do not like eating oily fish a supplement may be recommended. Always consult your doctor before taking any new supplements. How much do I need? About 10ug or 800 international units (iul) is the recommended dose of vitamin D for adults and children. The upper limit of vitamin D is not well established, but medical supervision is recommended at doses greater than 30ug per day. High fibre foods High fibre foods such as cereals and legumes contain phytates and/ or oxalates that hinder absorption by binding with calcium. Although vegetables such as spinach, rhubarb and beet greens are nutritious foods, they are not considered a good source of calcium. Wheat bran can also inhibit absorption. Oat bran does not have the same inhibiting effect. A good rule of Coeliac People with coeliac disease have problems with calcium absorption. If you have symptoms such as diarrhoea with foul odour, stomach pain and bloating, constipation, chronic tiredness, anaemia, chronic mouth ulcers, indigestion, bone pain, moodiness or depression you may need nutrition DXA scanning If you have one or more risk factors for osteoporosis, we recommend that you speak to your doctor about your risk of breaking a bone. A DXA scan of your spine and hips is the gold standard for diagnosing osteoporosis and is highly recommended if you are at risk. Otherwise you will not know whether or not you have osteoporosis as it is a silent disease. Based on your results, you can then help prevent its onset or if you have osteopenia/osteoporosis, you can prevent further deterioration and increase your bone strength. For further information please contact the Irish Osteoporosis Society at Lo-call 1890 252751 or www.irishosteoporosis.ie More details on nutrition are available at www.indi.ie How much calcium do I need? Adults (men) 800 mg per day Adults (women) 800 mg per day Pregnant women (second half)* 1,200 mg per day Breastfeeding women (first 6 months)* 1,500 mg per day Children (1-10 years) 800 mg per day Teenagers (11-18 years)* 1,200 mg per day * Teenagers and pregnant/breastfeeding mothers may need to increase to 1,500 mg calcium per day if they have osteopenia or osteoporosis An indication of the calcium content in everyday foods. Choosing calcium rich foods will help maintain a healthy skeleton Food Whole milk Semi-skimmed milk Skimmed milk Soya milk Goat’s milk Low-fat yoghurt Cheddar cheese Cottage cheese Boiled broccoli Baked beans Large orange Dried apricots Brazil nuts Whitebait(fried) Salmon(tinned) Tofu Milk chocolate Ice cream Weight Calcium (mg) 190ml 190ml 190ml 190ml 190ml 150g 28g 112g 112g 112g 1g 100g 100g 56g 56g 100g 56g 112g 224 231 235 25 190 225 202 82 45 59 58 170 170 482 52 480 123 134 irishosteoporosisnews to be checked for coeliac disease. Seek medical advice. 17 exercise Exercise keeps heart and bones strong Exercise is not only important in the prevention of a number of diseases including heart disease, diabetes and stroke, it is also an essential part of keeping bones healthy and strong. Olivia Fens reports The importance of exercise for maintaining strong, healthy bones cannot be underestimated. Exercise can help to build bones in youth – and it can also help to maintain them in adulthood. Bones need regular weight-bearing exercise. Exercise stimulates bone, creating bone turnover, growth and strength. Weight-bearing exercise includes any physical activity where you have to support the weight of your own body. These weight-bearing exercises include: irishosteoporosisnews • Dancing • Running • Walking • Jogging • Aerobics • Tennis • Squash • Football. 18 While cycling and swimming are excellent activities for overall fitness they do not benefit bone strength as they are not weight-bearing. President of the Irish Osteoporosis Society, Prof Moira O’Brien, recommends 30 minutes of daily weight-bearing exercise for all age groups, including senior citizens. This type of daily exercise is incredibly important for children as most peak bone mass building is done during adolescence, Prof O’Brien said. “The most important age for people to exercise is during the growth period, from eight to 20 years. Sixty per cent of the bone you are going to have throughout your life is laid down at that time,” Prof O’Brien said. “Unfortunately, computers and handheld games are very popular for people in that age group, and they often choose them over playing outside. “A study in Canada found that students who did jumping jacks for 10 minutes every day improved their bone density significantly,” Prof O’Brien added. But it’s not just children who need to do daily weight-bearing exercises. Prof O’Brien said even older people need at least 30 minutes of weightbearing exercise each day.You can even break this exercise up into three to five minute intervals over the course of the day. “Walking is a weight-bearing exercise, but you need to alter speeds (eg. brisk two minutes, moderate one minute, brisk two minutes, etc). However, you need good balance to do this,” Prof O’Brien said. “Dancing is a great weight-bearing exercise for all age groups. There are also certain exercises that can be done sitting or lying down. “Walking waist-deep in a swimming pool is good for people with arthritis. Gravity is reduced and the resistance from the water is great for muscles and bones. It can improve strength and endurance and it means there’s a lot less stress on the bones. It is modified weight-bearing and it is a great form of exercise which can be combined with weight-bearing exercise.” Exercise awareness Last year, the UK’s National Osteoporosis Society surveyed more than 2,600 people, and found that only 44% of the people questioned could identify walking as being beneficial for bone strength. Less than a quarter of exercise The survey added that knowledge of how to reduce the risk of osteoporosis through exercise was lowest among 18 to 24 year olds. More than half of young people in this age group did not think that exercise played a role in reducing the risk of osteoporosis. International studies The IOF reports that a Finnish study of teenage girls found that those who were the most physically active gained 40% more bone mass than the least active girls. International research also showed that older people benefited from weight-bearing exercise and could actually reduce the risk of a fracture (breaking a bone). A study in the US and Japan, found that older, postmenopausal women, who used small weights to strengthen their back muscles over a period of two years, were less likely to get vertebral fractures. In fact the back strengthening exercises reduced the chance of getting a fracture by almost threefold. In the women aged 58 to 75 years, only one in 10 of those who exercised were found to have a vertebral fracture, while almost one-third of the women in the group that had not used the exercise regimen had suffered a fracture. Women who had not taken part in the back exercise programme were also about twice as likely to have a compression fracture in the spine. This can lead to a hump developing on a person’s upper back, a very painful condition which increases the risk of falling. Don’t overdo it While exercising is important, it is also possible to exercise too much, which can affect hormone levels and worsen bone mass: • Women and teenage girls who exercise to an extreme degree with inadequate calories can develop amenorrhea (cessation of menstruation) due to oestrogen deficiency healthy bones, it was only one of four essential steps to good bone density: • The bones need regular weightbearing exercise – consider brisk walking, jogging or weight training • The bones need adequate calories – a healthy diet rich in calcium and vitamin D is essential for healthy bones • Bones need normal hormones levels – excessive exercising and stress can affect sex hormone levels, which can lead to an increased risk of osteoporosis • Protein – bones need protein (from meat and dairy products). Also excessive fibre (vegetarian and vegan diets) can affect hormone levels. • Preoccupation with exercise can be a sign of an eating disorder, such as anorexia or bulimia Additionally, too much alcohol, smoking and too much caffeine can all have detrimental effects on bone density. • Both male and female athletes who exercise excessively without adequate caloric intake are at a heightened risk of osteoporosis. Athletes who train hard while trying to keep their weight below a certain level for competitive reasons are at particularly high risk Prof O’Brien added that if you have already been diagnosed with low bone density, it is essential to determine and treat the cause/causes. • Too much exercise can result in stress fractures or joint damage. Key things to remember Exercise is not only essential for building bone strength in young people, it can also play a crucial role in rehabilitation. Exercise can help to rebuild bone in those who have already developed osteoporosis, and it can also provide relief from osteoporosis pain. Prof O’Brien said that while exercise was crucial to maintaining Prof O’Brien concluded: “You have to commit, making exercise part of your daily routine. The most important thing is that doing exercise is just as effective inside the house as it is outside.” The advice of the Osteoporosis Society is to pick an exercise you enjoy doing, and you’re more likely to continue with it. Doing a mix of different exercises is ideal. irishosteoporosisnews people thought that dancing could be beneficial to bones, and only 18% recognised that running could help to reduce the risk of osteoporosis. However, in the survey, 46% of participants believed that swimming was beneficial in preventing osteoporosis. 19 queries Questions and answers Your queries addressed by Prof Moira O’Brien What is osteoporosis? Osteoporosis is a silent disease that affects the strength/thickness of bones. It makes the bones more fragile and is often not diagnosed until a fracture (broken bone) or multiple fractures have occurred. What is osteopenia? Osteopenia is the early stage of osteoporosis. Having osteopenia places a person at risk of developing osteoporosis. A diagnosis of osteopenia is a warning that you must start taking care of your bones and that prevention methods need to be put in place. The risk factors for developing osteopenia are the same as for osteoporosis. How can a person know if they have osteoporosis? irishosteoporosisnews A person will never know if they have osteoporosis unless they have a DXA scan of their spine and hips. Signs and symptoms include breaking a bone from a trip and fall from a standing position or less, losing more than 2cm of height, developing a hump on the upper back, or experiencing sudden severe back pain. 20 I think I may have osteoporosis – how is it diagnosed? The first thing to do if you suspect that you have osteoporosis, or if you feel you may have a chance of developing it, is to fill out a risk factor questionnaire, available on the Irish Osteoporosis Society’s website at www.irishosteoporosis.ie, and bring it to your doctor. Speak to your doctor about your risk of fracture and discuss whether you need a DXA scan. This is a particular type of bone scan which can be carried out to measure the density of the bones. It is a simple, painless procedure. I have asthma and eczema, could my medication increase my risk of osteoporosis? Some asthma and eczema treatments contain glucocorticoids, which while helpful in treating your condition, could also cause bone loss and increase the risk of developing osteoporosis. The risk of osteoporosis depends on the dose of glucocorticoids and the length of treatment. However, the exact dose needed to cause osteoporosis is not yet clear. Glucocorticoids taken in an inhaler for asthma, or in a cream applied to the skin for conditions such as eczema, rather than as tablets, means that much smaller doses can be used, and this reduces the risk of osteoporosis. The larger the area treated for eczema patients, the larger the steroid dose required. What is hyperthyroidism and does it cause osteoporosis? The thyroid gland in the neck produces hormones that regulate the speed at which our body cells work. If the thyroid gland is overactive and thyroid hormone levels are high, hyperthyroidism occurs. Hyperthyroidism can cause problems including weight loss, anxiety, palpitations and eye problems. It may develop due to enlarged thyroid nodules or an autoimmune disease, where the body’s immune system attacks its own tissues. Excess thyroid hormone hastens the rate of bone turnover. If this process is happening too rapidly the bonebuilding cells may not be able to replace bone fast enough, thus the overall rate of bone loss is increased. If the thyroid hormone level stays too high for too long, there may be an increased risk of developing osteoporosis. How does coeliac disease affect the risk of osteoporosis? One of the most common long-term problems associated with coeliac disease is osteoporosis. One recent study showed that half of people with the coeliac disease had low bone density. A UK osteoporosis clinic found that 6% of men with osteoporosis had an undiagnosed absorption disease. The reasons why those with coeliac disease have a lower than average bone density include the poor absorption of calcium, especially in early life. This may mean that bones fail to reach peak strength. Calcium malabsorption queries A strict gluten-free diet can significantly improve bone strength, especially in the very young and for those who had the lowest bone density results to start with. Early diagnosis and treatment of coeliac disease gives a person the best chance of reducing their risk of osteoporosis. Some studies have shown that those with coeliac disease still have lower than average bone density despite a strict gluten-free diet. There are, however, few studies of children and one showed near normal bone density for those on a strict gluten-free diet. Adequate calcium in the diet is important to maintain healthy bones. Current guidance for adults with coeliac disease is 1,000mg of calcium per day. For post-menopausal women and elderly men a higher intake of 1,2001,500mg daily has been recommended. I am taking the contraceptive Depo Provera, should I be concerned about osteoporosis? Depo Provera lowers oestrogen levels, so in theory, bone loss may occur. However, there has been no conclusive research to show that having low oestrogen whilst on Depo Provera causes a reduction in bone density. The World Health Organisation (WHO) has suggested that Depo Provera should be used with caution by women who are under 18 (when bone density is being built up rapidly) and in women over 45 (who are approaching menopause). However, even in these age groups, the advantages of using Depo Provera will generally outweigh the disadvantages, according to the WHO. If you are concerned about this topic, speak to your GP. I was diagnosed with osteoporosis a year ago and it was recommended that I take an osteoporosis medication. I did not take the medicine, as I don’t like to take pills. I have increased my calcium and vitamin D intake and I do weight-bearing exercise every day. Is this enough to prevent it from getting worse? No. It is very important that you take your osteoporosis medication, along with calcium, vitamin D and weightbearing exercise and that you get rescanned every two years. It is the combination of all three that can help prevent your osteoporosis from declining.You were put on the medication because you needed to protect your bones. Undiagnosed osteoporosis or not taking your recommended medication can lead to multiple fractures, becoming wheelchair bound and possibly dying prematurely, which can happen due to the secondary effects of osteoporosis. My local chemist is advertising that they do ‘bone density’ testing. My friend got one done, they only tested her heel and told her that their machine was just as accurate as the DXA test for the spine and hips, is this true? We do not recommend it for the diagnosis of osteoporosis. Most of these machines are ultrasound machines which can not measure bone density. Heel scan testing uses an ultrasound machine which measures the speed at which the sound waves travel. If a person has flat feet, as many women over 40 do, they are usually told they have good bone density. The IOS does not recommend any type of heel scan testing for the diagnosing of osteoporosis. I was diagnosed with osteoporosis from an x-ray, do I need a DXA scan? Yes, unless you are bed bound or unable to lie still for approximately eight to 10 minutes. If you do not know the exact state of your bones, you will not know if your bones are improving or your response to the treatment. People usually are scanned every two years, if access is available and preferably on the same machine. In the majority of cases, a change will not be seen in one year. I have been told that I have osteoporosis, but I am only twenty-five years of age. I have always eaten healthily and exercised and do not know how I got it. I thought it was an old woman’s disease? Osteoporosis can affect men, women and children of all ages and due to the increase in osteoporosis awareness, more people from all age groups are being diagnosed. If you fill out our risk assessment form and bring it to your doctor, they should be able to help figure out why you developed it, as it is essential that the cause or causes be found and addressed. I had a DXA scan three years and was told that I did not have to get re-scanned. How do I know I am improving if I do not get rescanned? When possible you should be rescanned every two years, to monitor your response to treatment and your results should not decline. If your results do not improve you should speak to an osteoporosis specialist, so they can figure out why you have not improved. irishosteoporosisnews can speed up the process of bone renewal or bone ‘turnover’ and lead to osteoporosis.Vitamin D absorption, which is needed to absorb calcium into bones, may also be affected by coeliac disease. 21 sectionsection sectionsection ??? The Irish Osteoporosis Society is a charitable organisation and relies on donations to continue our activities. These activities include: About the Irish Osteoporosis Society The Osteoporosis Society (IOS) was founded by Professor Moira O’Brien in 1996 as a patient support organisation for those suffering with Osteoporosis and their families. caption From the outset, the IOS has beenPhoto dedicated to reducing the incidence of osteoporosis, a preventable bone disease in most cases, and promoting bone health. The IOS provides information to the public and health professionals on all aspects of the disease and offers support to those with osteoporosis or at risk. Aims • Increase the awareness of the problem of osteoporosis in Ireland • Significantly decrease the number of people affected by osteoporosis 1. Helpline – The IOS operates a Patient Support Helpline which is open from 9am to 5pm Monday to Friday. 2. Press and advertising for promotion campaigns. 3. Literature and promotional materials. The IOS distributes osteoporosis information (leaflets, books, posters etc.) to IOS members, members of the public, GPs, nurses, physiotherapists, other health professionals, HSE staff, clinics etc. 4. Website – the IOS website is a comprehensive source of information for both the public and health professionals. 5. Bi-annual magazine. 6. Public Lectures – Our Health Promotion Officer delivers osteoporosis information seminars in locations around the country throughout the year. 7. Schools Information DVD / Workbook / Powerpoint presentation – We have produced an osteoporosis / bone health information DVD targeted at secondary school pupils along with an accompanying workbook for schools. • Provide support, advice and information for people suffering from osteoporosis 8. Awareness Groups – The IOS has begun the process of establishing a national network of osteoporosis awareness groups. • Establish a network of osteoporosis awareness groups 9. Annual Medical Conference – The IOS hosts an international medical conference on osteoporosis (for health professionals) each year in October. • Distribute up-to-date information to doctors and healthcare workers on current methods of prevention and treatment • Encourage research into this area in Ireland 10. Patient advocacy. The IOS regularly meets with government bodies and TDs to discuss policy relating to osteoporosis and to brief them on issues and requirements in the prevention and treatment of the disease ? osteoporosisnews osteoporosisnews To find out more or to make a donation, visit our website at www.irishosteoporosis.ie or phone us at 1890 252751 sample literature ? sectionsection sectionsection IOS membership Form Headline Personal Details There is only a slight Name: Organisation (iffor relevant): modification this, Address 1: writes Joanne McCarthy Address 2: Town: ??? County: Telephone: Mobile: Email: How did you hear about the IOS?: Membership Details (Please tick ) Type of membership: Charity membership: Health care professional: New Renewal €25 Photo caption €40 In addition, I would like to make a donation to the Irish Osteoporosis Society in the amount of: €5,000 €1,000 €500 €100 €50 €25 €10 Other €_______ Payment Details Cheque Postal order Visa Mastercard Laser Card Number Expiry Date Total Amount (membership plus donation, if any): €________ ? Please send completed form to: Irish Osteoporosis Society, 12 Burlington Road (garden level), Ballsbridge, Dublin 4 or alternatively call at 1890 252751 or fax us at 01- 6351698 with your credit/debit card details. osteoporosisnews osteoporosisnews Your details will not be passed on to anyone else without your permission ? The Irish Osteoporosis Society thanks the following for supporting this issue: Ireland (Human Health) Limited
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