Health: Gay, Straight Men Smell "Sex" Differently

Society | May 13, 2005, Friday // 00:00

A new study shows that gay men respond differently from straight men when exposed to a suspected sexual stimulus found in male sweat.

When homosexual men smelled the odour of male sweat - more specifically, a chemical in the male hormone testosterone - their brains responded similarly to those of women.

The findings published in the research journal Proceedings of the National Academy of Sciences suggest that brain activity and sexual orientation are linked. It also supports an opinion held by most scientists, that people are born - not bred - gay.

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