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Genetic Pattern Affects Long-Term Smoking Behavior

A cluster of genetic risk factors appears to influence how heavily and persistently people smoke cigarettes, but has no effect on starting smoking, according to a new study by an international group of researchers. They developed a genetic risk score (GRS) for smoking based on genes already known to affect nicotine response, metabolism, and dependence. They compared the GRS with smoking behavior in a group of 1,004 New Zealanders born in 1972 and 1973 and studied periodically from ages 11 to 38.

Once they started smoking, people at higher genetic risk were...

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Published By: Psychiatric News - 4 days ago

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