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Physiological Effects of Tobacco

Physiological Effects of Tobacco . HS 460. Tobacco related deaths are the single most preventable cause of death in the world. Annually in the United States More than 419,000 tobacco related deaths including more than 53,000 deaths from second hand smoke .

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Physiological Effects of Tobacco

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  1. Physiological Effects of Tobacco HS 460

  2. Tobacco related deaths are the single most preventable cause of death in the world. • Annually in the United States • More than 419,000 tobacco related deaths including more than 53,000 deaths from second hand smoke

  3. Carcinogenic Agents (Several Hundred) • I.e. acetone, arsenic, benzopyrene, phenol, tar, nicotine, etc.

  4. Paralysis of Respiratory Cilia • i.e. acrolein, aldehyde, ammonia, nitrogen dioxide, hydrocyanic acid, etc.

  5. Toxic Substances (poisons- over 200) • i.e. nicotine, carbolic acid, CO2, CO, methyl alcohol, etc.

  6. Respiratory Tract Irritations • Formic acid • Tars (pyridine) • Glycerin • Dyethylene glycol

  7. Peptic ulcer irritation Low child birth weight Premature births Miscarriage Still births Neonatal deaths Cancer 20% of the unsuccessful pregnancies would have been successful had the mother not smoked Those substances also lead to:

  8. Child Birth • Smoking Mother • Low birth weight • Premature births • Still births • Neonatal deaths • Smoking Father (non-smoking mother-no second hand smoke) • Greater increase in child birth problems (similar to but lower than that of smoking mother) • Second hand smoke • Greater increase in child birth problems

  9. Age people begin smoking • Preteens (10%) • Teenage years (80%) • Post teen years (10%) • 90% will start during college age years. • If a person gets beyond their mid-twenties and doesn’t smoke they probably won’t smoke.

  10. Flavoring Agents (additives) • Almost every flavoring agent known to man has been added to tobacco • Most commonly- pipe tobacco

  11. Filters • Usually end up with more tar and nicotine • Explain- diagram on board

  12. Pollution (several thousand pollutants identified in tobacco smoke) • Anyone who claims to be concerned with pollution and smokes is a hypocrite- with no qualifications

  13. Loss of tissue elasticity • Arteries • Greater increase CVD- heart attacks and strokes • Alveoli • Greater increase in respiratory disorders • Bronchitis • Asthma • Lung cancer • Skin (leathery) • Increase physiological aging process • Increase skin cancer

  14. Heart Stimulant • Potentially increase pulse greater than 30 beats/min. • Duration of greater than 30 min. • Exercise similar increase in beats/min. • Duration of 5 min. or less • Smoking results in no physiological benefits

  15. Vasoconstrictor • Greater risk of frostbite in cold temperatures • Chronically- gangrene

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