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Is there a gene for smoking?

Research released by the University of Michigan in August 2008 indicates you are more likely to enjoy that first cigarette if you have the nicotine receptor gene CHRNA5.

Out of 435 smokers and nonsmokers who had tried cigarettes in their life, the ones who kept smoking reported they had a pleasurable experience with their first cigarette.

These same participants also were likely to have the variant of the CHRNA5 gene. So, for some, the first smoke they have makes them want to come back for more.

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