The search for a mate with active D4 receptor

Live Science:

Your sexual desire or lack thereof could be in your genes, scientists announced today. The discovery might change how psychologists view sexuality.

The researchers found that individual differences in human sexual desire can be attributed to genetic variations. The study is the first to provide data to show that common variations in the sequence of DNA impact on sexual desire, arousal and function, the researchers said.

The scientists, at the Hebrew University of Jerusalem, examined the DNA of 148 healthy male and female university students and compared the results with questionnaires asking for the students' self-descriptions of their sexual desire, arousal and sexual function. They found a correlation between variants in a gene called the D4 receptor and the students' self-reports on sexuality.

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Perhaps couples will need to see if their D4 receptors match before committing to a long term relationship. Mismatched D4 receptors would have to lead to frustration for both.

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