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T Effects of 2bacco Chapter 21 L1

T Effects of 2bacco Chapter 21 L1. By Irma Garcia. Vocab/Terms. Addictive drug – A substance that causes physiological or psychological dependence. Nicotine – T additive drug found in 2bacco leaves

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T Effects of 2bacco Chapter 21 L1

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  1. T Effects of 2bacco Chapter 21 L1 By Irma Garcia

  2. Vocab/Terms • Addictive drug – A substance that causes physiological or psychological dependence. • Nicotine – T additive drug found in 2bacco leaves • Stimulant – A drug that increases T action of T central nervous system, T heart & oTr organs. • Carcinogen – A cancer-causing substance.Tar – A thick, sticky, dark fluid produced when 2bacco burns. • CarbonMonoxide – AnoTr compound found in cigarette smile which is colorless, odorless, & poisonous gas. • Smokeless2bacco – 2bacco that is sniffed through T nose, held in T mouth or chewed. • Leukoplakia – A thickened, white, leaTry-looking spots on T inside of T mouth that can develop in2 oral cancer.

  3. 2bacco Use-A Serious Health Risk • # 1 cause of preventable disease & death. • Req’d 2 carry warning laBls • Teens smoke, chew or dip 2bacco • Very difficult 2 quit

  4. Nicotine • Bcome physiologically or psychologically dependent • Is a stimulant • Raises Blood Pressure, • Inc’s heart rate • Contributes 2 heart disease & stroke • Addictive & needed >/>

  5. Cigarette Smoke A 2xic Mixture • Smoke is 2xic • Environmental Protection Agency classified smoke as Secondh& smoke in Group A carcinogen (most dangerous class)

  6. Tar/Carbon Monoxide • Tar penetrates respira2ry system & destroys cilia (tiny hair like structures that line T upper airways & protect against infection.) • Tar damages T alveoli (air sacs which absorb oxgn & rid T body of carbon dioxide. • Destroys lung tissue • Damaged lungs R susceptible 2 disease, bronchitis, pneumonia, emphysema, & cancer • Carbon monoxide replaces oxgn in T blood, depriving T tissues & cells of oxgn. • Carbon Monoxide inc’s risk of hi blood pressure, heart disease, & hardening of T arteries.

  7. Harmful Effects of Pipes & Cigars • Pipes & cigars present major hlth risks • Contain > nicotine, produce > tar & carbon monoxide • 1 cigar = 1 pack of cigarettes • Inc’d risk of cancer of T mouth, lips & throat

  8. Harmful Effects of Smokeless 2bacco • Not a safe alternative 2 smoking • Contains 28 carcinogens Bsides nicotine • R absorBd in2 T blood through T mucous membranes & T digestive tract • Usually held in T mouth longer • Absorb Nicotine/Carcinogens at level 2 or 3 X’s > than a sgl cigarette • 8 2 10 plugs a day = 2 pack of cigarettes • Causes Leukoplakia & cancers • Throat • Larynx • Esophagus • S2mach • Pancreas

  9. How 2bacco Affects T Body • Long-Term Effects • Nervous system • Addiction/inc'd risk of stroke • Respira2ry System • Coughing, or smokers hack • inc'd risk of emphysema, lung cancer & chronic bronchitis • Digestive System • Inc risk of cancers of T mouth, pharynx, larynx & esophagus • Inc risk of gum recession, 2oth decay, & 2oth loss • Nausea, vomiting, & diarrhea • Inc risk of cancers of T s2mach & pancreas • Cardiovascular system • Inc heart rate & blood pressure • Hardened arteries & decreased book flow • Inc risk of heart attack • Excre2ry System • Inc risk of bladder cancer. • Inc risk of kidney cancer

  10. Short-Term Effects of 2bacco Use • chgs in brain chemistry • Crave > drug • Withdrawals symp2ms – headaches, nervousness, trembling 30 min after last cigarette • inc'd respiration & heart rate • Breathing > difficult during exercise • Causes irregular heart rate • Dulled taste buds & reduced appetite • Lose ability 2 enjoy food • Bad Breath & smelly hair, cloTs & skin

  11. Long-Term Effects of 2bacco Use • Chronic Bronchitis – • Damages cilia • Builds up Tar in lungs, causing chronic coughing & excessive mucus secretion • Emphysema • Destroys tiny air sacs in T lungs • Lungs have difficulty absorbing oxgn • Lung Cancer • No Cilia mucus cannot B expelled & cancerous cells grow clocking T bronchi & causing lung cancer • Coronary heart disease & stroke • Nicotine constricts blood vessels • Nicotine contributes 2 plaque buildup in T blood vessels • Increase risk of heart attack & stroke. • Sudden death 3 X's greater for smokers

  12. OTr Consequences • Legal consequences • Illegal 2 sell 2 persons under 18 • Schools prohibit 2bacco on school property • Students may B expelled • Social consequences • People don’t like secondh& smoke • Excluded from social gaTrings • Have bad breath, yellow teeth & stained fingers • Financial consequences • Very expensive • Can spend $2000 ea yr on cigarettes • Medical costs

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