smoking a cigarette for the first time effects i smoke What Happens to Your Body,

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We consulted with members of the public as part of guideline development activities

Dozens of these harmful chemicals are carcinogens, or cancer-causing substances, most of which come from the tobacco leaves themselves, rather than the additives, according to the ACS

Light smoking is defined as smoking less than 5 cigarettes per day or smoking only on some days but not every day