It found that women who were not on the pill were more likely to select the shirts of men who had the greatest genetic difference in a certain area of chromosome six—one that codes for something called the major histocompatibility complex, or MHC.MHC proteins are responsible for helping the immune system recognize invaders, and the idea of linking these immune system genes with sexual attraction goes all the way back to 1976.But experts like Wyatt say the science behind matching you with someone who has different immune system genes remains theoretical.He cites the International Hap Map project, which mapped genetic variations from thousands of people around the globe, including many husbands and wives.
That’s why we’re swabbing cheeks, not armpits.”To be fair, a series of unrelated papers published in the mid-2000s have provided further evidence that women can detect differences in the MHC genotypes of males according to smell, even though no scientist has yet been able to pin down what exactly those olfactory cues are.
“We don’t really look at the pheromones, that’s something that gets confusing for people,” she said.
“I’m a chemist and I can tell you that pheromones are a big black box.
The 30 year-old nursing student has been trying for years to meet Mr.
Right—first on Grindr and Compatible Partners (e Harmony’s queer subsidiary), and more recently on Bumble—and has yet to find someone with whom he shares a real connection. So in December, while he was attending Houston’s Day For Night music festival, he stopped by a booth hawking cheek swabs, and handed over a few thousand cheek cells in the name of love.