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Chapter 21

Chapter 21. Lesson 1- The Effects of Tobacco Use. Tobacco Use. Tobacco use is the #1 cause of preventable disease and death in the United States. The government requires all tobacco products to have warning labels. Tobacco contains many health risks:

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Chapter 21

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  1. Chapter 21 Lesson 1- The Effects of Tobacco Use

  2. Tobacco Use Tobacco use is the #1 cause of preventable disease and death in the United States. The government requires all tobacco products to have warning labels

  3. Tobacco contains many health risks: • It contains an addictive drug nicotine. • Nicotine- a stimulant, raising blood pressure, increasing heart rate, and contributing to heart disease and stroke (p. 540).

  4. Harmful Effects of Cigarette Smoke Cigarette smoke is a carcinogen; a cancer-causing substance

  5. Cigarette smoke contains tar. • Tar is a thick, dark fluid produced when tobacco burns. • Tar damages the lungs’ air sacs and destroys lung tissue. • Smokers’ lungs are more susceptible to bronchitis, pneumonia, and cancer.

  6. Cigarette smoke contains carbon monoxide. • It is colorless, odorless, and a poisonous gas. • It replaces oxygen in the blood, depriving tissues and cells of oxygen. • It can cause high blood pressure, heart disease, and hardening of the arteries.

  7. Cigars contain more nicotine and produce more tar and carbon monoxide than cigarettes do. • Pipe and cigar tobacco can cause lip, mouth, and throat cancer. Harmful Effects of Pipes and Cigars

  8. It contains nicotine and carcinogens. • The body receives 2-3 times more nicotine and carcinogens than it receives from a single cigarette. Harmful Effects of Smokeless Tobacco

  9. Smokeless Tobacco(p. 542) It can irritate the mouth tissue and cause leukoplakia- white, leathery-looking spots on the skin that can cause cancer. It can cause cancers of the throat, larynx, esophagus, stomach and pancreas.

  10. How Tobacco Effects the Body Short-term effects occur immediately after using tobacco. Long-term effects of tobacco harm many body systems. Tobacco brings serious consequences for teens.

  11. There are changes in brain chemistry. Users may experience withdrawal symptoms; such as headaches, nervousness, and trembling. • There is an increase in respiration and heart rate. Breathing becomes more difficult during physical activity. • Tobacco dulls taste buds and reduces appetite. • Tobacco causes bad breath and smelly hair, clothes, and skin. Short-term Effects (p. 542)

  12. It harms the nervous system, damaging the cilia and causing bronchitis. • It harms the respiratory system, destroying the lungs’ tiny air sacs, causing emphysema and possibly cancer. • It harms the cardiovascular system, restricting the blood vessels and cutting down on circulation. This leads to arteriosclerosis; hardening of the arteries, coronary heart disease, and stroke. Long-term Effects (p. 543)

  13. There are legal consequences for people selling tobacco to underage teens. • Students who smoke may be suspended or expelled. • The smell of tobacco is often offensive, harming a smokers’ social life. • Users can spend more than $2,000 a year buying tobacco products. • United States taxpayers give about $97 million a year; the total cost of tobacco (pp. 549-550). Serious Consequences for Teens

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