Immunology

Cigarette alternatives may not be 'safe' tobacco

Cigarette alternatives, widely perceived to be safe, are often addictive and can be stepping stones to cigarette smoking, according to a scientific review published online in the journal Clinical Reviews in Allergy and Immunology.

Health

Strong oral carcinogen identified in smokeless tobacco

The chemical (S)-N'-nitrosonornicotine, or (S)-NNN, which is present in smokeless tobacco products, is a strong oral carcinogen, according to results presented at the AACR Annual Meeting 2012, held here March 31 - April 4.

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