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is smoking cigarettes a drug Say Why To Drugs: the smoke and mirrors of tobacco | Smoke and Mirrors: Does Vaping
Description
An official link hasnt been made, but that doesnt mean that there is no heightened risk for smokers

One reason: Germs exposed to nicotine-rich vapors secreted a thicker biofilm coating that protected them

Theyre known for being smooth and complex without being aggressive

Volatile nitrosamines were analyzed by LC-MS

"They used to say, 'You smoke that stuff, boy, you get hooked!" Morgan said