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02-12-2007, 10:40 AM
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 Hooked By Genes: Studies Identify DNA Regions Linked To Nicotine Dependence Hooked By Genes: Studies Identify DNA Regions Linked To Nicotine Dependence Americans are bombarded with antismoking messages, yet at least 65 million of us continue to light up. Genetic factors play an important role in this continuing addiction to cigarettes, suggest scientists at Washington University School of Medicine in St. Louis. In two studies in the January 2007 issue of Human Molecular Genetics, the scientists show that certain genetic variations can influence smoking behaviors and contribute to a person's risk for nicotine dependence.        |
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