Mayo Clinic Q and A: Toxic chemicals from cigarettes remain toxic in secondhand smoke

DEAR MAYO CLINIC: Is secondhand cigarette smoke dangerous to my health? ANSWER: The short answer to your question is yes, secondhand smoke?is dangerous. Secondhand smoke ? also known as environmental tobacco smoke ? is a combination of the smoke coming from a burning cigarette and the smoke exhaled by the smoker, which spreads out to [...]
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