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The Effects of Tobacco Use

The Effects of Tobacco Use. Chapter 21 , Lesson 1. Vocabulary. Addictive drug – A substance that causes physiological and/or psychological dependence. Nicotine – The addictive drug found in tobacco leaves.

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The Effects of Tobacco Use

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  1. The Effects of Tobacco Use Chapter 21 , Lesson 1

  2. Vocabulary • Addictive drug – A substance that causes physiological and/or psychological dependence. • Nicotine – The addictive drug found in tobacco leaves. • Stimulant – a drug that increases the action of the central nervous system, the heart, and other organs.

  3. More Vocabulary • Carcinogen – Cancer causing substance. • Tar – Thick, sticky, dark fluid produced when tobacco burns. • Carbon monoxide – colorless, odorless, poisonous gas • Smokeless tobacco – tobacco that is sniffed through the nose, held in the mouth, or chewed. • Leukoplakia – thickened, white, leathery looking spots on the inside of the mouth that can develop into oral cancer.

  4. The effects of one puff • 5-7 seconds, nicotine reaches the brain • Nicotine is absorbed into the bloodstream through the lining of the mouth and through the lungs • Blood pressure rises • Heart rate increases 20 beats per minute • Oxygen supply to body tissues decreases • Blood circulation decreases • The first “rush” of stimulation in the brain is followed by depression and fatigue, which leads the smoker to seek more nicotine.

  5. Smokeless Tobacco • Causes leukoplakia

  6. Short Term Effects • Changes brain chemistry • Increased respiration and heart rate • Dulled taste buds and reduced appetite • Bad breath and smelly hair, clothes, and skin, yellow teeth, stained fingers

  7. Long Term Effects • Chronic Bronchitis • Emphysema • Lung Cancer • Coronary Heart Disease or Stroke

  8. Other Consequences • Legal – Selling tobacco to persons under 18 is illegal • Social – Many people find second hand smoke offensive • Financial – Use of tobacco products is expensive

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