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Variations In Key Genes Increase Caucasians'€™ Risk Of Heroin Addiction
Sometimes, small changes do add up. In the case of addictive diseases, tiny variations in a few genes can increase or decrease the likelihood of some people developing a dependency on heroin. Now, by examining a select group of genetic variants in more than 400 former severe heroin addicts, Rockefeller University researchers have identified several genetic variations in American and Israeli Caucasians that influence the risk for becoming addicted to one of the world's most powerful substances.
Source: ScienceDaily