2. The chemicals in all tobacco products harm the body.

3. addictive drug nicotine stimulant carcinogen tar carbon monoxide smokeless tobacco leukoplakia

4. Health Risks of Tobacco Use All forms of tobacco contain chemicals that are ______________ to your health. Tobacco use is the ____________ cause of _____________________ death and disability in the United States.

5. Health Risks of Tobacco Use Any form of tobacco use, such as________,________________,_____________ ___________ can cause health problems. Smoking has been linked to__________,________,_________________.

6. Health Risks of Tobacco Use About ___ percent of adult smokers began the habit as teenagers. It’s easier to ______ tobacco use rather than _______ later.

7. Nicotine Tobacco users have difficulty _________ because tobacco contains an addictive drug. Addictive drug A substance that causes physiological or psychological dependence

8. Nicotine ______ tobacco products contain nicotine. Nicotine The addictive drug found in tobacco leaves

9. Nicotine _____________ is a stimulant that _______ blood pressure and ___________ the heart rate. Stimulant A drug that increases the action of the central nervous system, the heart, and other organs

10. Poisonous Substances in Tobacco Smoke Tobacco is an _______ and _________ drug and a carcinogen. Carcinogen A cancer-causing substance

11. Tar Cigarette smoke contains tar. Tar A thick, sticky, dark fluid produced when tobacco burns

12. Tar Tar damages a smoker’s respiratory system by

13. Carbon Monoxide Carbon monoxide is also in ___________ smoke. It ____________ the body’s tissues and cells of oxygen. Carbon monoxide A colorless, odorless, and poisonous gas

14. Pipes, Cigars, and Smokeless Tobacco No tobacco product is safe to use. The dangers of tobacco use _______________ ________________________________.

15. Pipes, Cigars, and Smokeless Tobacco Cigarette filters do not protect smokers from more than 50 carcinogens, including ________ and _________ which are in tobacco products.

16. Pipes, Cigars, and Smokeless Tobacco The smoke from ______ and ________also causes serious health consequences. Cigars contain significantly more _________ and produce more _____ and _________________ than cigarettes.

17. Pipes, Cigars, and Smokeless Tobacco The harmful chemicals of smokeless tobacco are absorbed into the body at levels up to _______________the amount of a single cigarette. Smokeless tobacco Tobacco that is sniffed through the nose, held in the mouth, or chewed

18. Pipes, Cigars, and Smokeless Tobacco Using smokeless tobacco also irritates the sensitive tissues of the _________, causing leukoplakia. Leukoplakia Thickened, white, leathery-looking spots on the inside of the mouth that can develop into oral cancer

19. Harmful Effects of Tobacco Use Tobacco use causes both short-term and long-term damage to your body. Health officials have warned the public about the dangers of tobacco use for _________________.

20. Long-Term Effects 3. 2. 1. Short-Term Effects 4.

21. Short-Term Effects 3. 2. 1. Long-Term Effects 4. 5.

22. Long-Term Effects Smokers cause severe damage to their lungs. Compare the healthy lung on the left with the one damaged by tobacco on the right.

23. Long-Term Effects Nervous System  Addiction  Stroke Respiratory System  Coughing  Chronic bronchitis, emphysema, lung cancer Circulatory System  Increased heart rate and blood pressure  Hardened arteries, decreased blood flow  Heart attack, stroke

24. Long-Term Effects Excretory System  Cancer of the bladder  Cancer of the kidneys Digestive System  Cancers of the mouth, pharynx, larynx, and esophagus  Gum recession, tooth decay, tooth loss  Nausea, vomiting, diarrhea  Cancers of the stomach and pancreas

25. Long-Term Effects

26. Other Consequences of Tobacco Use As well as health risks, tobacco use is costly. Making the decision to _________ the use of tobacco products will safeguard your health.

27. Other Consequences of Tobacco Use Costs to Society Tobacco-related illnesses cost the United States about $165 billion each year. Costs to Individuals A person smoking one pack of cigarettes a day will spend about $1,500 a year on the habit. Legal Consequences Selling tobacco products to minors is illegal. Using tobacco at school can lead to suspension or expulsion.

28. After You Read Reviewing Facts and Vocabulary A substance that causes physiological or psychological dependence; nicotine 1.What is an addictive drug? What is the addictive drug in tobacco?

29. After You Read Reviewing Facts and Vocabulary 2.List three types of toxic substances found in cigarette smoke. Why are these substances harmful? Nicotine, tar, carbon monoxide; nicotine causes addiction, tar causes such diseases as emphysema and lung cancer, carbon monoxide deprives the body of oxygen.

30. After You Read Reviewing Facts and Vocabulary 3.Explain four ways using tobacco immediately affects your body. Any four: Brain chemistry changes; respiration and heart rates increase; taste buds are dulled; appetite is reduced; users have bad breath, yellowed teeth, and smelly clothes