Thursday, December 2, 2010

Like to Sleep Around? Blame Your Genes

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Whether your roommate is Samantha Sleeps-Around or Paul the Prude, cut him or her some slack: People's predilections for promiscuity lie partially in their DNA, according to a new study.

A particular version of a dopamine receptor gene called DRD4 is linked to people's tendency toward both infidelity and uncommitted one-night stands, the researchers reported Nov. 30 in the online open-access journal PloS One.

The same gene has already been linked to alcoholism and gambling addiction, as well as less destructive thrills like a love of horror films. One study linked the gene to an openness to new social situations, which in turn correlated with political liberalism.

In the new study, researchers gathered a detailed history of sexual behavior and relationships from 181 young adults. They also collected DNA samples from the volunteers' cheeks and analyzed the samples for the presence of the thrill-seeking version of DRD4.


Read more here.

2 comments:

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