of genetically-mediated experiences.
Researchers found that choosing folks to hang around with - and not choosing others - can be linked to specific genes. That genetic link provides the beginnings of a scientific explanation for the elusive quality of “chemistry” among friends, explains lead author James Fowler, a professor of medical genetics and political science at the University of California, San Diego.
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http://www.msnbc.msn.com/id/41083048/ns/health-behavior/