how many chemicals are in cigarette tobacco What Is A Cigarette? and Ingredient List Confirm Dangerous Smoking Really Is Some Things Get Better with
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Cigarette smoke also stains the teeth and causes bad breath

(CDC) 90-8416
Cigarette Smoke

However, it is a known DNA mutagen, and this in turn could lead to carcinogenic effects

Competing interests The authors declared that they have no competing interests
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A session runs ~6 minutes or 14 puffs, whichever comes first