October 02, 2018
In a new study, researchers from several institutions including Oxford University and the National-Kapodistrian University of Athens looked at an ancient retrovirus that’s present in the genes of only some humans, and found that HK2, the retrovirus, is present in people who use injection drugs in both Greece and Scotland at a higher rate than in the general population. They believe that their results offer evidence for a physical cause of addiction, although they don’t currently know the exact mechanism by which it works.
Source: Popular Science
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