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"  A new study from Binghamton University, SUNY says yes! (Kinda.) After researchers looked at both the DNA and sexual histories of 181 young adults, they found a connection between a certain variant of the dopamine receptor gene known as DRD4 and behavior like one-night stands and infidelity \u2014 which makes sense, given that other findings have linked the same gene to things like gambling and alcoholism. In other words, things that are both stimulating...and risky. Would your guy cheat? And would you know?&amp;amp;gt;&amp;amp;gt; Dopamine is a neurotransmitter that plays a role in the brain&amp;#039;s reward system and is associated with pleasurable feelings. &amp;quot;The motivation seems to stem from a system of pleasure and reward, which is where the release of dopamine comes in. In cases of uncommitted sex, the risks are high, the rewards substantial and the motivation variable \u2014 all elements that ensure a dopamine &amp;#039;rush,&amp;#039;&amp;quot; said study leader Justin Garcia. Could your marriage survive an affair?&amp;amp;gt;&amp;amp;gt; Of course, Garcia was quick to point out that there are plenty of people who are promiscuous who don&amp;#039;t have the genotype, and not everyone with the DRD4 gene variant is destined to engage in this behavior \u2014 it&amp;#039;s just that an increased proportion do. Perhaps this will be the new excuse for all the celeb splits we&amp;#039;ve seen this year... What do you think of the &amp;quot;cheating gene&amp;quot; \u2014 weird science or lame justification for bad behavior? (Or both?) More on Cheating and Infidelity: The Truth About Why Men Cheat Everything You Know About Affairs...Is Wrong How to Stop an Affair Before it Starts "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.redbookmag.com/love-sex/relationships/news/a11335/cheating-partners-genetic-reasons/>