If you're a guy and impulsive and get hooked on stuff (booze, drugs, food, whatever), feel free to blame your genes. Researchers have found that addiction and impulsivity are linked to a tiny bit of DNA called NRXN3. Of course, the connection between genes and behavior is complex, but the study found that a very specific gene variation causes guys to be very, very impulsive.

on Monday, November 28, 2011  

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