Weird Facts About Sex and Love

#3 Some people may be wired to want more sex

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Your brain wiring may influence your number of sexual partners, according to a University of California Los Angeles study. Researchers performed brain scans of volunteers while they viewed images, some sexually suggestive, and also asked their sexual behaviors within the past year. Turns out those whose brains were most active when viewing the sexual images also tended to have had the most partners. Levels of "sexual motivation" do vary form one person to another, says Justin Garcia, PhD, assistant professor at the Kinsey Institute for Research in Sex, Gender, and Reproduction at Indiana University.

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