![Gene influences success of nicotine replacement therapy in smokers](https://healthbehaviorcenter.wustl.edu/wp-content/uploads/2015/07/Chen-smoking_primary.jpg)
Gene influences success of nicotine replacement therapy in smokers
A gene that controls how quickly smokers process nicotine also predicts whether people who try to kick the habit are likely to respond to nicotine replacement therapy, a new study shows.