Chapter 13Tobacco

Lesson 2Health Risksof Tobacco Use

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Teacher’s notes are available in the notes section of this presentation.

A condition in which passages in the lungs become swollen and irritated, eventually losing their elasticity

chronic obstructive pulmonary disease (COPD)

A disease of the heart and blood vessels cardiovascular

disease

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 SystemShort-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

Long-term effects:• Weakened blood vessels• Increased cholesterol levels• Fatty buildup in blood vessels• Increased risk of heart disease

and stroke

Circulatory System

How Tobacco Affects the Body

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

Respiratory System

How Tobacco Affects the Body

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

Digestive System

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.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.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.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.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.

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?

Lesson 2 Review

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Chapter 13Tobacco

Lesson 2Health Risks of Tobacco Use

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