When friends feel like family, it may be in the genes

July 15, 2014 3:13 AM

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Friends who are particularly close and feel like family often share genes with one another, new research reveals.

Yale and University of California (UC) researchers examined 1.5 million genetic markers of 1,932 people, using data from the Framingham Heart Study. This earlier study was rare in collecting both genetic information, as well as data on friendships. This allowed investigators to compare the genetic c...

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