tobacco
DESCRIPTION
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 - PowerPoint PPT PresentationTRANSCRIPT
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Tobacco
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• 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
What is it?
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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
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Effects of Nicotine
• Raises blood pressure• Increases heart rate• Contributes to heart disease and increases risk stroke
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Toxic Smoke!!!
• Cigarette smoke is classified as one of the most dangerous carcinogens
• A carcinogen is a cancer-causing substance
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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
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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
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Pipes and Cigars
• Contain more nicotine and more tar than regular cigarettes
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Gross!!
• Theses chemicals are not the only ones found in smoking tobacco, but also these:– Cyanide– Formaldehyde– Arsenic– Acetone– Ammonia– Lead– +many, many more!
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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
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Leukoplakiahttp://www.outdoortexan.com/mycancer.htm
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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
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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
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Reduced Tobacco Use Among Teens
• Numbers down nationally from 36% to 28%- why?
• Antismoking Campaigns• TRU Campaign
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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
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Strategies for Preventing Use
• Chose friends who don’t use• Avoid situations where tobacco may be used• Practice refusal skills
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Why Use?
• Why do teens use tobacco?