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Passive Smoking- Mostafa Mahmoud

Passive Smoking- Mostafa Mahmoud. Passive Smoking. What’s Passive Smoking?. sidestream. mainstream. Definition. Passive smoking is the involuntary inhalation by a nonsmoker of a combination of diluted sidestream smoke and mainstream smoke.

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Passive Smoking- Mostafa Mahmoud

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  1. Passive Smoking- Mostafa Mahmoud

  2. Passive Smoking

  3. What’s Passive Smoking?

  4. sidestream mainstream Definition • Passive smoking is the involuntary inhalation by a nonsmoker of a combination of dilutedsidestreamsmoke andmainstreamsmoke. • It occurs when tobacco smoke permeates any environment, causing inhalation by all people within that environment.

  5. What is in the smoke?

  6. Substances in the smoke • Tobacco smoke containsover 4000 chemicalsin the form of particles and gases. • Of the 4,000 chemicals identified in SHS,69 are carcinogens, including benzene, cadmium, formaldehyde and toluene.

  7. Three main substances are found in the smoke 1-Nicotine – apowerful addictive drug. it stimulates the central nervous system. Nicotine is also an insecticide. 2-Tar- a complex of mixture of chemicals many of which are know to cause cancer. 3-Carbon monoxide - a gas that take the place of the oxygen in the blood and addition of 0.1% of CO to the air result in 50% HbO2 and 50% HbCO.

  8. Other substances in the smoke • Benzene • Ammonia • Acetone • Cadmium • Hydrogen cyanide • Ethanol • Methanol

  9. Substances in the smoke The Environmental Protection Agency (EPA) in the USA has classified environmental tobacco smoke as aclass “A” carcinogen,ranking it alongside asbestos and arsenic.

  10. Exposure toPassive Smoke

  11. Definition Passive smoking is the involuntary inhalation by a nonsmoker of a combination of dilutedsidestreamsmoke andmainstreamsmoke. It occurs when tobacco smoke permeates any environment, causing inhalation by all people within that environment. sidestream mainstream

  12. Smokeclings to everything;clothes, furniture, toys and gives off toxins for some time. Nobody really knows how long the smoke stay in household objects. Is it avoidable ?

  13. What About ventilation? • ventilation systems cannot removesecondhand smoke from indoor environments. • Studies have shown that in order to reduce the toxins in SHS to harmless levels, one would need air exchange rates equivalent totornado-force winds.

  14. Is there a safe level of exposure? • There is no evidence that there is a threshold below which second-hand smoke is considered harmless • Some of the chemicals found in cigarette smoke, such as 4-aminobiphenal, have been provenunsafe to humans at even the smallest level of exposure.

  15. In the U.S., 26% of the adult population are smokers, consuming more than 500 billion cigarettes annually, exposing126 million nonsmoking Americans to secondhand smoke Almost 60% of U.S. children aged 3–11 years are exposed to secondhand smoke 25% of children aged 3–11 years live with at least one smoker. Exposure to passive smoking

  16. But Does SHS Actually Cause Diseases? • Yes. And it can also kill you.

  17. Current estimates of risk from passive smoking are the equivalent of actively smokingone cigarette per day

  18. Effect of exposure toSMOKE

  19. Effect of passive smoke Long-Term Short-Term

  20. Short-Term Effect • Just 30 minutesexposure is enough to reduce coronary blood flow. • eye irritation, headache, cough, sore throat, dizzinessand nausea. • Adults withasthmacan experience a significant decline in lung function when exposed.

  21. Long-Term Effect • Ischemic Heart Diseases. • Lung Cancer • Urinary bladder cancer. • Middle Ear Diseases.

  22. Believe IT or not !!!!!! “ An hour in a room with a smoker is nearly hundred times more likely to cause lung cancer in a non smoker than 20 years spent in a building containing asbestos” Sir / Richard Doll ,1985

  23. Effect on Children

  24. Effect on children • Secondhand smoke exposure is responsible for150,000–300,000 new cases of bronchitis and pneumoniain children aged less than 18 months annually. • Between 200,000 and 1,000,000 kids with asthma have their condition worsened by secondhand smoke every year.

  25. 3.In France passive smoking has been estimated to cause between 3,000 and 5,000 deaths per year. Prime minister Dominique de Villepin said during his announcement of a nationwide smoking ban: "That makes more than 13 deaths a day. It is an unacceptable reality in our country in terms of public health.” Effect on children (Cont.)

  26. قال رسول الله صلى الله عليه وسلم:لا ضرر ولا ضرار قال الله تعالى:

  27. Presented to you by Mostafa Mahmoud Ahmed

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