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August 13, 2014

From JAMA’s Daily News Site

JAMA. 2014;312(6):588. doi:10.1001/jama.2014.9798

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.