By NBC News
January 22, 2015

Formaldehyde, a known human carcinogen found in cigarette smoke, also dwells in the vaporized liquid of popular electronic or e-cigarettes, researchers said Wednesday.

E-cigarette sales are booming in the United States and many hoped so- called “vaping” would replace tobacco smoking and be a panacea for the nearly 160,000 lung cancer deaths associated with conventional cigarettes.

But according to an analysis published Wednesday in the New England Journal of Medicine, the exposure to formaldehyde from e-cigarettes, based on similar chronic use as tobacco, could be five to 15 times higher than from smoking cigarettes…

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