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Ch20 01






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    Ch20 01 Ch20 01 Presentation Transcript

    • The Health Risks of Tobacco Use (2:39) Click here to launch video Click here to download print activity
    • The chemicals in all tobacco products harm the body.
      • addictive drug
      • nicotine
      • stimulant
      • carcinogen
      • tar
      • carbon monoxide
      • smokeless tobacco
      • leukoplakia
    • Health 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.
    • Health 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.
    • Health 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.
    • Nicotine
      • Tobacco users have difficulty quitting because tobacco contains an addictive drug .
      Addictive drug A substance that causes physiological or psychological dependence
    • Nicotine
      • All tobacco products contain nicotine .
      Nicotine The addictive drug found in tobacco leaves
    • Nicotine
      • Nicotine is a stimulant that raises blood pressure and increases the heart rate.
      Stimulant A drug that increases the action of the central nervous system, the heart, and other organs
    • Poisonous Substances in Tobacco Smoke
      • Tobacco is an addictive and toxic drug and a carcinogen .
      Carcinogen A cancer-causing substance
    • Tar
      • Cigarette smoke contains tar .
      Tar A thick, sticky, dark fluid produced when tobacco burns
    • Tar Tar damages a smoker’s respiratory system by paralyzing and destroying cilia destroying the alveoli damaging lung tissue
    • Carbon Monoxide
      • Carbon monoxide is also in cigarette smoke. It deprives the body’s tissues and cells of oxygen.
      Carbon monoxide A colorless, odorless, and poisonous gas
    • Pipes, Cigars, and Smokeless Tobacco No tobacco product is safe to use. The dangers of tobacco use are not limited to smoking cigarettes.
    • Pipes, Cigars, and Smokeless Tobacco
      • Cigarette filters do not protect smokers from more than 50 carcinogens, including cyanide and arsenic, which are in tobacco products.
    • Pipes, 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.
    • Pipes, 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 tobacco Tobacco that is sniffed through the nose, held in the mouth, or chewed
    • Pipes, Cigars, and Smokeless Tobacco
      • Using smokeless tobacco also irritates the sensitive tissues of the mouth, causing leukoplakia .
      Leukoplakia Thickened, white, leathery-looking spots on the inside of the mouth that can develop into oral cancer
    • 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 several decades.
    • Long-Term Effects Taste buds are dulled and appetite is reduced. Respiration and heart rate increase. Brain chemistry changes. Short-Term Effects Bad breath, yellowed teeth, and smelly hair, skin, and clothes .
    • Short-Term Effects Lung cancer Emphysema Chronic bronchitis Long-Term Effects Coronary heart disease and stroke A weakened immune system
    • 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.
    • 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
    • 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
    • Long-Term Effects
    • Other 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.
    • 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.
    • After You Read Reviewing Facts and Vocabulary A substance that causes physiological or psychological dependence; nicotine
      • What is an addictive drug ? What is the addictive drug in tobacco?
    • After 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.
    • After 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