smoking two cigarettes a day Many people think just one or is harmless — but doctors strongly disagree. Even “light” or casual smoking can start affecting the heart, lungs, immunity, and skin Nicotine Blood, Urine, and Saliva
Description
But maybe not
Retrieved 23 September 2021
Department of Justice Canada

This argument was used in the 1990s when many state attorneys general began suing tobacco companies for compensation for health care costs allegedly imposed on the states by residents' cigarette use
Heated tobacco works to a fixed session instead
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