Gene cure found for cheating lovers

What would you give for a simple injection that would stop your lover from cheating?

Well, at least it works for meadow voles.

A single gene inserted into the brain can change promiscuous male rodents into faithful, monogamous partners, scientists said on Wednesday.

It may not be quite that simple to rein in human philanderers — many genes as well as other factors are probably involved in relationships among people.

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