Some genes give you that dopamine rush.
Young adults with a certain variant of the dopamine receptor D4 (the DRD4 gene) are more likely to have a history of uncommitted sex, including one-night stands and acts of infidelity, according to a new study.
The study’s leader Justin Garcia said:
"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 – all elements that ensure a dopamine "rush.
Infidelity Might Be in the Genes – Study found dopamine receptor variant plays major role in sexual behavior, Bloomberg Business>>