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Tobacco. What is it?. Anything made from the leaves of a tobacco plant The tobacco plant contains a highly addictive substance: nicotine Nicotine is more addictive than heroin or cocaine. Nicotine. Is an addictive drug: a substance that causes psychological or physiological dependence
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What is it? • Anything made from the leaves of a tobacco plant • The tobacco plant contains a highly addictive substance: nicotine • Nicotine is more addictive than heroin or cocaine
Nicotine • Is an addictive drug: a substance that causes psychological or physiological dependence • Classified as a stimulant: a drug that increases the action of the central nervous system, the heart, and other organs
Effects of Nicotine • Raises blood pressure • Increases heart rate • Contributes to heart disease and increases risk stroke
Toxic Smoke!!! • Cigarette smoke is classified as one of the most dangerous carcinogens • A carcinogen is a cancer-causing substance
What Else is in Cigarettes? • Tar: thick, sticky, dark fluid produced when tobacco burns • Tar harms every part of the lungs smokers become susceptible to bronchitis, pneumonia, emphysema, and of course cancer Tar Experiment
What Else? • Carbon Monoxide: colorless, odorless, and poisonous gas • Takes place of oxygen on blood cells, depriving body tissues of oxygen • Increases risk of high blood pressure, heart disease, and hardening of the arteries • Smoking could also show signs of carbon monoxide poisoning! Carbon Monoxide Poisoning
Pipes and Cigars • Contain more nicotine and more tar than regular cigarettes
Gross!! • Theses chemicals are not the only ones found in smoking tobacco, but also these: • Cyanide • Formaldehyde • Arsenic • Acetone • Ammonia • Lead • +many, many more!
Smokeless Tobacco • Sniffed in the nose, held in the mouth, or chewed • Can deliver nicotine and carcinogens at levels 2 to 3xs higher than cigarettes • Because it is usually in the mouth, it can irritate the mouth tissues • Leukoplakia: thickened, white, leathery-looking spots on the inside of the mouth that can lead to cancer
Leukoplakia http://www.outdoortexan.com/mycancer.htm
Effects of Tobacco on the Body • Changes in brain chemistry • Increased respiration and heart rate • Dulled taste buds/reduced appetite • Bad breathe/ smelly in general • Chronic bronchitis • Emphysema • Lung cancer • Coronary heart disease and stroke • Social/Financial consequences
Are Tobacco Warning Labels Effective?P.544 • Look at the Exploring Issues activity • Look up American warning labels and Canadian warning labels on the internet • Then answer the questions
Reduced Tobacco Use Among Teens • Numbers down nationally from 36% to 28%- why? • Antismoking Campaigns • TRU Campaign
Reduced Tobacco use Among Teens • Financial Costs • http://www.theawl.com/2011/06/what-a-pack-of-cigarettes-costs-state-by-state • Societal Pressures • http://www.no-smoke.org/pdf/WRBLawsMap.pdf • Family influence
Strategies for Preventing Use • Chose friends who don’t use • Avoid situations where tobacco may be used • Practice refusal skills
Why Use? • Why do teens use tobacco?