1
What You Will Do
Explain common myths about substance abuse.
Identify the effects of substance abuse such as
alcohol, tobacco, and other drugs on physical
performance.
2
Terms to Know
substance abuse
addiction
smokeless tobacco
anabolic steroids
3
Why Some People Use Harmful Substances
Many people use harmful substances because of
peer influence. Peer influence is the effect people
your own age have on your thoughts and actions.
There is nothing cool about taking risks with your
health and your future.
4
Substance Abuse and
Its Effects
Substance abuse can take a toll
on the emotional and physical
health of the user as well as the
user’s family and friends.
The habitual use of many drugs
and other harmful substances can
lead to addiction.
Terms to Know
Substance
abuse
Any unnecessary
or improper use
of chemical
substances for
nonmedical
purposes.
Addiction
Physical and
mental
dependence.
5
Substance Abuse and Its Effects
Take a closer look at the health risks associated
with the use of tobacco.
Cigarettes contain over 40 poisonous chemicals.
Smoking interferes with the normal working
of the lungs.
Nicotine, found in cigarettes, is addictive,
making it difficult for smokers to quit.
6
Substance Abuse and
Its Effects
Smokeless tobacco has been
popular among some athletes,
especially baseball players.
Term to Know
Smokeless
tobacco
Tobacco sniffed
through the nose
or chewed.
7
Substance Abuse
and Its Effects
Smokeless Tobacco Facts
Smokeless tobacco releases 10 times the amount of cancercausing substances into the bloodstream than cigarettes do.
Long-term use of smokeless tobacco can lead to an elevated
heart rate and high blood pressure.
Smokeless tobacco causes cancer of the mouth, lips,
and gums.
8
Substance Abuse and Its Effects
Alcohol has short- and long-term effects on the body:
Alcohol slows down the central nervous system, impairing
vision, reaction time, and coordination.
It also affects the function of the stomach and kidneys, which
can result in nausea, vomiting, and dehydration.
It impairs judgment and causes an increase in risk-taking
behavior.
Long-term drinking causes tissue damage and increases the
risk for high blood pressure, heart rhythm disorders, heart
muscle disorders, stroke, and the development of cancers and
liver disease.
9
Substance Abuse and
Its Effects
Anabolic steroids are used as a
medicine to treat specific chronic
diseases; any other use is illegal
and dangerous.
Term to Know
Anabolic
steroids
Chemicals
similar in
structure to the
male hormone
testosterone.
10
Substance Abuse and Its Effects
Effects of Anabolic Steroids
Males
Females
• Lower sperm count
• Infertility (inability to have children)
• Smaller testicles
• Deeper voice
• Increased risk of testicle or prostate cancer
• More facial hair
• Larger breasts
• Smaller breasts
Both Males and Females
• Hair loss or baldness
• Acne
• Sleeping problems
• Upset stomach
• Rapid weight gain
• Difficulty urinating
11
Lesson 5 Review
Reviewing Facts and Vocabulary
1. Vocabulary
What is addiction?
2. Recall How can addiction to
a substance negatively
affect your functional health
and fitness?
1. Vocabulary
2. Recall
3.
Smokeless
Physical
Addiction
and
causes
tobacco
mental
thecan
user to
dependence.
crave
cause
more
increased
and more
heartofrate,
a
harmful
high
blood
substance.
pressure, and
cancer of mouth, lips, and
gums.
3. Recall Name three harmful
effects of smokeless
tobacco.
12
End of
Table of Contents13