Transcript Chapter 13 lesson 2 notes

Chapter 13
Tobacco
Lesson 2
Health Risks
of Tobacco Use
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 chronic obstructive A condition in which passages in the lungs
pulmonary disease become swollen and irritated, eventually
(COPD)
losing their elasticity
 cardiovascular
disease
A disease of the heart and blood vessels
In this lesson, you will learn to
 describe how tobacco use effects the body systems.
 practice decision making to protect your health against tobacco
smoke.
Drawing Conclusions
Based on this lesson, list the effects of tobacco use on the
body systems.
Tobacco Use Is Hazardous to Your Health
In 1965, Congress
passed a law requiring
tobacco manufacturers to
print health warnings on
cigarette packages.
How Tobacco Affects the Body
Tobacco use is particularly damaging to teens
because their bodies are still growing and
developing.
How Tobacco Affects the Body
Nervous System
Short-term effects:
• Nervousness
• Headaches
• Heart rate increases
• Blood pressure rises
Long-term effects:
• Increased risk of stroke due to
decreased flow of oxygen to the
brain
How Tobacco Affects the Body
Short-term effects:
• Heart rate increases
• Energy is reduced
Circulatory System
Long-term effects:
• Weakened blood vessels
• Increased cholesterol levels
• Fatty buildup in blood vessels
• Increased risk of heart disease
and stroke
How Tobacco Affects the Body
Respiratory System
Short-term effects:
• Shortness of breath
• Reduced energy
• Coughing
• More frequent colds, flus, and
respiratory illnesses
Long-term effects:
• Increased risk of lung cancer
• Increased risk of emphysema
and other lung diseases
How Tobacco Affects the Body
Digestive System
Short-term effects:
• Upset stomach
• Dulled taste buds
• Tooth decay
Long-term effects:
• Increased risk of mouth and
throat cancer
• Gum and tooth disease
• Increased risk of stomach ulcers
• Increased risk of bladder cancer
How Tobacco Affects the Body
Chronic obstructive pulmonary disease (COPD)
includes chronic bronchitis, asthma, and
emphysema.
chronic obstructive pulmonary disease (COPD)
A condition in which passages in the lungs become swollen and
irritated, eventually losing their elasticity
In the United States, COPD causes over 100,000 deaths per year.
Ninety percent of these deaths are linked to smoking.
How Tobacco Affects the Body
Facts About Lung Cancer
Smoking is the number one cause of lung cancer, causing 87 percent of
lung cancer cases.
Cigarette smoke contains more than 4,000 different chemicals, many of
which are cancer-causing substances.
Lung cancer is the leading cancer killer in the United States, causing
more deaths than the next three most common cancers combined.
Secondhand smoke is also an important cause of lung cancer.
How Tobacco Affects the Body
Smoking is a leading cause of cardiovascular
disease.
cardiovascular disease A disease of the heart and blood vessels
Long-term smoking increases cholesterol levels and
contributes to arteriosclerosis.
Lesson 2 Review
What I Learned
Vocabulary What is cardiovascular disease? How is
this caused by smoking?
Lesson 2 Review
What I Learned
List What are some ways that tobacco use damages
the circulatory system?
Lesson 2 Review
What I Learned
Describe What is the relationship between smoking and
lung cancer?
Lesson 2 Review
Thinking Critically
Analyze Of the health risks associated with tobacco use,
which one do you consider the most serious? Explain
your answer.
Lesson 2 Review
Thinking Critically
Explain Why do you think it is important to put warning
labels on cigarette packages?
End of
Chapter 13
Tobacco
Lesson 2
Health Risks of
Tobacco Use
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