Diseases, Conditions, Syndromes

Vitiligo can mask symptoms of acanthosis nigricans

(HealthDay)—Vitiligo can mask symptoms of acanthosis nigricans (AN), according to a case report published in the November issue of the International Journal of Dermatology.

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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