Virginity jokes are usually lazy, but a massive study suggests the stereotype of the brainy loner who never has sex has some genetic truth behind it. The research links higher intelligence to a higher likelihood of never having sex at all.

As reported by PsyPost, scientists analyzed data from more than 400,000 UK adults and 13,500 Australians. About one percent said they had never had sex, and that sliver of the population carried distinctive traits.

Their genes correlated with intelligence, more years of schooling, and lower use of alcohol and drugs. There were also overlaps with introversion, autism spectrum disorder, and anorexia, while links to depression, ADHD, and substance issues came in weaker.

“Genes accounted for about 15 percent of the variation in whether someone had sex,” c

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