4Today’s ObjectivesExplain how nicotine make quitting tobacco use difficult.List and describe the poisonous substances in tobacco smoke.Explain the dangers of smokeless tobacco.Describe the short-term effects of tobacco use.Describe the long-term effects of tobacco use.
5The chemicals in all tobacco products harm the body.
6Health Risks of Tobacco Use All forms of tobacco contain chemicals that are dangerous to your health.Tobacco use is the leading cause of preventable death and disability in the United States.
7Health Risks of Tobacco Use Any form of tobacco use, such as smoking, chewing, or dipping tobacco, can cause health problems.Smoking has been linked to lung disease, cancers, and heart disease.
8Health Risks of Tobacco Use About 90 percent of adult smokers began the habit as teenagers.It’s easier to avoid tobacco use rather than quit later.
9NicotineTobacco users have difficulty quitting because tobacco contains an addictive drug.Addictive drugA substance that causes physiological or psychological dependence
10All tobacco products contain nicotine. The addictive drug found in tobacco leaves
11NicotineNicotine is a stimulant that raises blood pressure and increases the heart rate.StimulantA drug that increases the action of the central nervous system, the heart, and other organs
12Poisonous Substances in Tobacco Smoke Tobacco is an addictive and toxic drug and a carcinogen.CarcinogenA cancer-causing substance
13Cigarette smoke contains tar. A thick, sticky, dark fluid produced when tobacco burns
14Tar damages a smoker’s respiratory system by paralyzing and destroying ciliaTar damages a smoker’s respiratory system bydestroying the alveolidamaging lung tissue
15Carbon MonoxideCarbon monoxide is also in cigarette smoke. It deprives the body’s tissues and cells of oxygen.Carbon monoxideA colorless, odorless, and poisonous gas
16Pipes, Cigars, and Smokeless Tobacco No tobacco product is safe to use.The dangers of tobacco use are not limited to smoking cigarettes.
17Pipes, Cigars, and Smokeless Tobacco Cigarette filters do not protect smokers from more than 50 carcinogens, including cyanide and arsenic, which are in tobacco products.
18Pipes, Cigars, and Smokeless Tobacco The smoke from pipes and cigars also causes serious health consequences.Cigars contain significantly more nicotine and produce more tar and carbon monoxide than cigarettes.
19Pipes, Cigars, and Smokeless Tobacco The harmful chemicals of smokeless tobacco are absorbed into the body at levels up to three times the amount of a single cigarette.Smokeless tobaccoTobacco that is sniffed through the nose, held in the mouth, or chewed
20Pipes, Cigars, and Smokeless Tobacco Using smokeless tobacco also irritates the sensitive tissues of the mouth, causing leukoplakia.LeukoplakiaThickened, white, leathery-looking spots on the inside of the mouth that can develop into oral cancer
21Harmful 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 several decades.
22Short-Term Effects Short-Term Effects Brain chemistry changes. Respiration and heart rate increase.Taste buds are dulled and appetite is reduced.Bad breath, yellowed teeth, and smelly hair, skin, and clothes.
23Long-Term Effects Long-Term Effects Chronic bronchitis Emphysema Lung cancerCoronary heart disease and strokeA weakened immune system
24Long-Term EffectsSmokers cause severe damage to their lungs.Compare the healthy lung on the left with the one damaged by tobacco on the right.
26Long-Term Effects Nervous System Respiratory System Circulatory System AddictionStrokeRespiratory SystemCoughingChronic bronchitis, emphysema, lung cancerCirculatory SystemIncreased heart rate and blood pressureHardened arteries, decreased blood flowHeart attack, stroke
27Long-Term Effects Excretory System Digestive System Cancer of the bladderCancer of the kidneysDigestive SystemCancers of the mouth, pharynx, larynx, and esophagusGum recession, tooth decay, tooth lossNausea, vomiting, diarrheaCancers of the stomach and pancreas
29Other Consequences of Tobacco Use As well as health risks, tobacco use is costly.Making the decision to avoid the use of tobacco products will safeguard your health.
30Other Consequences of Tobacco Use Tobacco-related illnesses cost the United States about $165 billion each year.Costs to SocietyA person smoking one pack of cigarettes a day will spend about $1,500 a year on the habit.Costs to IndividualsSelling tobacco products to minors is illegal. Using tobacco at school can lead to suspension or expulsion.Legal Consequences
32Exit TicketWhat is the name of the addictive drug in tobacco?
332) Which of the following are ways that tobacco harms the cardiovascular system? a) Increased heart rate, hardened arteries, chronic bronchitis. b) Increased heart rate, hardened arteries, increased risk of heart attack. c) Increased heart rate, chronic bronchitis, emphysema. d) Chronic bronchitis, emphysema, lung cancer.
34Kate says that it is her choice to smoke, and that she is the only one who has to worry about her health. How does her decision to smoke affect other people?
35Answer KeyNicotineBHer employer will lose money because she is likely to be less productive at work and miss work as a result of illness. She may not be able to pay her medical bills, which will then have to be paid by taxpayers.
36After You Read Reviewing Facts and Vocabulary What is an addictive drug? What is the addictive drug in tobacco?A substance that causes physiological or psychological dependence; nicotine
37After You Read Reviewing Facts and Vocabulary 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.
38After You Read Reviewing Facts and Vocabulary 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