LondonNet News Headlines
05/11/04
Infidelity Runs in the Blood
- London researchers find genetic links to affairs

RESEARCH carried out at London's St Thomas's Hospital supports the theory that women are genetically programmed to sleep around.

"There is not one infidelity gene, but 50 to 100 genes are important and give us the tendency to respond to our environments in different ways," said Professor Tim Spector, director of the Twin Research Unit at St Thomas's. "It may be important for women who commit infidelity."

By using twins - 3,200 of them in this case - for their research, the unit says it can separate out environmental from genetic factors and so put figures to the old nature versus nurture debate. For infidelity, the researchers have arrived at figures of 40% determined by genes and 60% by environmental or cultural factors.

The research report offered no tips for men hoping to discover whether their wives are faithful, or whether the attractive married woman at the next desk fancies a bit on the side, but did point to the importance of wealth.

"Human females generally have affairs with men of higher status than their husbands, perhaps illustrating an effort to mate with a genetically superior partner," said the report. More bling equals more swing, in other words.




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