Are we meant to be a monogamous species? SUBSCRIBE! It's free: http://bit.ly/asapsci Get FREE audiobook: http://audible.com/asap SHARE on Twitter: http://bit.ly/1NaMZxm SHARE on Facebook:...
========== Cheating on your significant other is taboo in almost all cultures, yet somehow adds flavourto the plot of movies and inspiration for countless songs about heartbreak. But whydo people cheat in the first place? Is there a science behind it?Only about 3% of mammals are monogamous, meaning they stay with one partner their whole life- and humans fall into this category. From an evolutionary perspective it creates anadvantage where one partner can protect the younglings while the other searches for foodand provides resources. But somehow, extrapair mating or cheating is a fairly common humanbehaviour.The gene coding for a dopamine receptor plays a key role in cheating for men and women.Sometimes call the ‘happy hormone’, it’s released after pleasurable activities likeex...
