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Infidelity might be in the genes

from HealthDay News via Bloomberg Businessweek

Genetics might help explain why some people are more prone to infidelity and promiscuity, says a new study. Researchers analyzed the DNA of 181 young adults who provided a complete history of their sexual activity and intimate partnerships. They concluded that the dopamine receptor D4 (DRD4) gene plays a major role in sexual behavior. more


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