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Addiction and impulsivity are genetically linked together in men. This gene has already been linked to smoking, alcoholism and obesity. One gene, called NRXN3, is causing men A LOT of problems!

In LiveScience.com, Stephanie Pappas quotes psychologist Scott Stoltenberg as saying, "The other studies basically showed the NRXN3 seems to be associated with some addictions and with obesity, but our study is really the first to flesh out the mechanism by looking at behavioral control, looking at impulsivity."
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As the baseball season winds down and the football season is poised (hopefully) to begin, it’s interesting to think about why some people become professional athletes and others don’t. It’s not just a matter of talent and determination–it also involves having the right GENES. In other words, what’s more important: nature or nurture?
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Forensic scientists are discovering that DNA and "genetic markers" can predict who will–or will–turn to a life of crime. If this is true, it portends a frightening future where we give infants DNA swabs, then decide whether to watch them (or even incarcerate them) for the rest of their lives. Since more black men are jailed in the US than men of any other race, this is especially troubling for African-Americans.
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