Scientists uncover genetic variant which makes some males prone to infidelity - The Times 2nd September 2008

It sounds like the perfect excuse for a wandering eye — a man's tendency to be unfaithful may be influenced by his genes, research suggests. Men who inherit a genetic variant that affects an important attachment hormone are more likely than usual to have weaker relationships and marital problems, and less likely to be married, according to the research. Their wives and girlfriends are also more likely to be less satisfied with them as partners.

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