Research Suggests Some Women Have "Cheating Gene"

PHILADELPHIA (CBS) -- New research suggests some women may have a cheating gene, making them more likely to be unfaithful.

The gene in question is called the vasopressin receptor gene.

Researchers say its involved in creating trust, empathy and sexual bonding.

That gene appears to have no effect on promiscuity in men.

For more information on the study, click here.