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July 23/30, 2014

From JAMA’s Daily News Site

Author Affiliations

Copyright 2014 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.

JAMA. 2014;312(4):325. doi:10.1001/jama.2014.9040

Smokers often crave a cigarette within minutes of waking, but a new study shows that lighting up immediately may increase their lung cancer risk.

In an analysis based on a study in Italy of 3249 current or former smokers, only 16% of the 1812 participants with lung cancer waited more than an hour for their first cigarette but 28% smoked within 5 minutes after waking. Among the 1437 controls, about half didn’t smoke within the first hour after they awoke but 10% did so within 5 minutes.

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