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do cigarettes cause permanent damage What Happens to Your Body, When You Take a Puff of a Cigarette? Why is smoking bad for
Description
"Disease consequences of cigar smoking" (PDF)

Lighter smoking is correctly perceived as less harmful than heavy smoking, but it still carries significant health risks

Nicotine is a strong stimulant, so it increases your heart rate as soon as you inhale it

Chemical flavorings found in e-cigarettes linked to respiratory disease Focus on nicotine overshadowed other hazards attached to smoking device Diacetyl, a flavoring chemical linked to cases of severe respiratory disease, was found in more than 75 percent of flavored electronic cigarettes and refill liquids tested by researchers at Harvard T.H
