Risk factors

Nicotine metabolism key to quitting

The success of different smoking cessation treatments could depend on how quickly smokers break down nicotine in their bodies, researchers say. The pharmacogenetic study randomly assigned 1246 smokers (662 slow metabolisers of nicotine and 584 normal metabolisers) to 11 weeks of either a nicotine patch (plus a placebo pill), varenicline (Champix) (plus placebo patch), or ...

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