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Published online 31 May 2006 | Nature | doi:10.1038/news060529-6
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Sexual desire traced to genetics
Differences in sexual appetite might be partly determined by our genes.
Scientists in Israel have pinpointed a common genetic trait that could make some of us hungrier for sex than others.
The team looked at a gene known as the dopamine D4 receptor (DRD4), which partly controls the brain's response to dopamine, a chemical often associated with the body's 'pleasure system'.
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