Our genes may influence our choice of friends, study suggests

The BBC reports:

Researchers in the United States say they have uncovered tentative evidence of a genetic component to friendship.

Using data from two independent studies, they found carriers of one gene associated with alcoholism tended to stick together.

However, people with another gene linked with metabolism and openness, stayed apart.

The study appears in the Proceedings of the National Academy of Sciences. James Fowler, the lead author, has posted the article to his website here (PDF).

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