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Second hand smoke
 

Second hand smoke

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Children and other non smokers are affected by Second hand smoke which may increase the risks of cancers, Pulmonary complications, Heart diseases, Pregnancy complications, etc. among them.

Children and other non smokers are affected by Second hand smoke which may increase the risks of cancers, Pulmonary complications, Heart diseases, Pregnancy complications, etc. among them.

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    Second hand smoke Second hand smoke Presentation Transcript

    • HEALTH COMPLICATION OF SECOND HAND SMOKE Dr.P.Naina Mohamed Pharmacologist
    • INTRODUCTION  Four out of ten nonsmokers (40%) are exposed to secondhand smoke.  More than 1 out of 2 kids (aged 3–11 years) are exposed to secondhand smoke.  There are about 1.3 billion cigarette smokers worldwide and this number is still increasing.  About 1 in 5 adults smoke.  Tobacco use is the leading preventable cause of death.
    • SECOND-HAND SMOKE      Nonsmokers inhale mostly sidestream (SS) smoke. The 'side-stream' smoke that comes off a cigarette between puffs, carries a higher risk than directly inhaled smoke. Second-hand smoke is a mixture of sidestream smoke and the smoke exhaled from the lungs of smokers. It is involuntarily inhaled, lingers in the air for hours after cigarettes have been extinguished. Second hand smoke may cause a wide range of adverse health effects, including:  Cancer (Increased lung cancer risk (by 20–30%))  Asthma  Respiratory infections  Reduced lung growth in children  Reductions in postnatal pulmonary function  Increased heart disease risk (by 25–30%)  Chronic otitis media
    • CANCER Second-hand smoke has been estimated to cause 38,000 deaths per year, of which 3,400 are deaths from lung cancer in non-smokers.  For adults, passive smoking seems to increase the risk of lung cancer.  Sidestream smoke has higher concentrations of cancer-causing agents (carcinogens) than mainstream smoke. 
    • PULMONARY COMPLICATIONS Children who grow up in a home where one or both of their parents smoke have twice the risk of getting asthma and asthmatic bronchitis.  Children also have a higher risk of developing allergies.  Infants under two years old are more prone to severe and cot death (SIDS).  Exposure to environmental smoke causes reduced lung growth in children.  Second hand smoke results in to reductions in postnatal pulmonary function. 
    • HEART DISEASE RISK  The current US Surgeon General’s Report concludes that: Short exposures to second-hand smoke Blood platelets to become stickier Damage the lining of blood vessels Decrease coronary flow velocity reserves Reduce heart rate variability Increased risk of heart attack
    • PREGNANCY COMPLICATIONS Cigarette smoking Fetal exposure to carbon monoxide and nicotine Increased risk of abruptio placentae, placenta previa, and premature rupture of the membranes and ectopic pregnancy Preterm smokers. delivery, low birth weight, are also more likely among Women who smoke should quit smoking or at least reduce the number of cigarettes smoked per day to as few as possible. Pregnant women should also avoid exposure to environmental smoke ("passive smoking") and smokeless tobacco.
    • CONCLUSION   Environmental tobacco poisoning, either second or third hand, dramatically increases pulmonary morbidity. Smoking family members should be advised to quit smoking and do everything possible to minimize environmental smoke exposure to the children around them.
    • REFERENCES      CURRENT Diagnosis & Treatment: Pediatrics, 21e William W. Hay, Jr., Myron J. Levin, Robin R. Deterding, Mark J. Abzug, Judith M. Sondheimer Harrison's Online Featuring the complete contents of Harrison's Principles of Internal Medicine, 18e Dan L. Longo, Anthony S. Fauci, Dennis L. Kasper, Stephen L. Hauser, J. Larry Jameson, Joseph Loscalzo, Eds. Hurst's The Heart, 13e Valentin Fuster, Richard A. Walsh, Robert A. Harrington CURRENT Medical Diagnosis & Treatment 2013 Maxine A. Papadakis, Stephen J. McPhee, Eds. Michael W. Rabow, Associate Ed. Behavioral Medicine: A Guide for Clinical Practice, 3e Mitchell D. Feldman, John F. Christensen
    • REFERENCES  http://www.cancer.org/cancer/cancercause s/tobaccocancer/secondhand-smoke  http://www.cdc.gov/tobacco/data_statistics/ fact_sheets/secondhand_smoke/general_fa cts/  http://www.epa.gov/asthma/shs.html  http://www.ncbi.nlm.nih.gov/pubmed/1591 1719  http://www.cancer.gov/cancertopics/factsh eet/Tobacco/ETS