1. Chapter 20
Tobacco

2. The Health Risks
Medical studies have shown that tobacco use is the leading cause of preventable death & disability in the US.
About 90% of adult smokers began the habit as teenagers.
Quitting is very difficult.

3. The Health Risks
Addictive Drug – a substance that causes physiological or psychological dependence
Nicotine – the addictive drug found in tobacco leaves
Stimulant – a drug that increases the action of the central nervous system, the heart, and other organs

4. Poisonous Substances Carcinogen – a cancer-causing substance
Tar – a thick, sticky, dark fluid produced when tobacco burns
Destroys cilia and alveoli
Carbon monoxide - a colorless, odorless, and poisonous gas

5. Other forms of tobacco
Pipes, cigars, and smokeless tobacco are just as dangerous as cigarettes
Leukoplakia- thickened, white, leathery-looking spots on the inside of the mouth that can develop into oral cancer

6. Harmful Effects of Tobacco
Short-term
Brain chemistry changes
Respiration & heart rate increase
Taste buds dulled, appetite reduced
Bad breath, yellow teeth, smell
Long-term
Chronic bronchitis
Emphysema
Lung cancer
Coronary heart disease & stroke
Weakened immune system

7. Other Consequences Costs to society $167 Billion/ year
Cost to individual $3,561/year
Legal consequences

8. Reduced tobacco use in teens
Tobacco legislation
Advertising
No-smoking policies
Public places
Family values
Positive peer pressure
Health risks

9. Strategies for Avoidance
Surround yourself with positive influences
Reduce peer pressure
Be prepared with refusal skills

10. Ending the Addiction Cycle
Nicotine withdrawal – the process that occurs in the body when nicotine, an addictive drug, is no longer used
Nicotine substitutes – products that deliver small amounts of nicotine into the user’s system while he/she is trying to give up the tobacco habit
Tobacco cessation program – a course that provides info. & help to people who want to stop using tobacco

11. Risks to others
Environmental tobacco smoke (ETS) – air that has been contaminated by tobacco smoke
AKA - secondhand smoke
Mainstream smoke – the smoke exhaled from the lungs of a smoker
Sidestream smoke – the smoke from the burning end of a cigarette, pipe, or cigar
What is thirdhand smoke?

12. Risks to others
Secondhand smoke causes about 3000 deaths/year from lung cancer
Smoking during pregnancy can seriously harm the unborn baby
Children of smokers are more likely to be in poor health