Nicotine Addiction Linked To Gene Variant In Smokers

August 10, 2008

U.S. researchers have come out and stated that they have managed to link a certain gene variant to people who are addicted to smoking.  This results in them having a positive feeling the first time they have a cigarette...Washington (ChattahBox) – U.S. researchers have come out and stated that they have managed to link a certain gene variant to people who are addicted to smoking. This results in them having a positive feeling the first time they have a cigarette.

The research was carried out at the University of Michigan, Washington University School of Medicine, as well as the University of North Carolina.

It looked at the smoking history, and genetic data of 435 volunteers in total, and found a genetic link between a gene variant, and smoking addiction.

The variant was found in the CHRNA5 nicotine receptor gene. People with this variant experience a more positive reaction from their first cigarette.

This made them far more likely to be addicted to smoking compared to people who did not have the variant.

This could lead to the discovery of what actually triggers smoking addiction.

U.S. researchers published their study in the journal Addiction.


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