How second hand smoke afects adults

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Furthermore, 12 percent of the entire sample had spirometric evidence of airflow obstruction that was undiagnosed; In public places Everyone can be exposed to SHS in public places where smoking is allowed, such as some restaurants, shopping centers, public transportation, parks, and schools. Women exposed to secondhand smoke had significantly greater bronchial hyperreactivity than did unexposed women; the mean provocative dose of histamine used to produce a 20 percent drop in FEV 1 was 50 percent lower in the exposed group compared with the unexposed group. Implications These new conclusions strengthen prior statements with regard to respiratory symptoms and secondhand smoke exposure. The evidence is suggestive but not sufficient to infer a causal relationship between short-term secondhand smoke exposure and an acute decline in lung function in persons with asthma. Nitric oxide NO regulates a number of airway and vascular functions and can be measured in exhaled air. Why is secondhand smoke a problem?
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Asthma and smoking

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Smoking and second-hand smoke as asthma triggers | Asthma UK

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Health Risks of Secondhand Smoke

Can smoking marijuana affect puberty? Secondhand smoke harms children and adults, and the only way to fully protect nonsmokers is to eliminate smoking in all homes, worksites, and public places. The prognosis is favorable for symptomatic animals with no secondary complications, such as aspiration pneumonia.
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How second hand smoke afects adults
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