4:36 p.m. CST February 7, 2007
Calif. - If you thought B.O. was a turnoff, think again. Just a few
whiffs of a chemical found in male sweat is enough to raise levels of
the stress hormone cortisol in heterosexual women, according to a new
study, reported this week in The Journal of Neuroscience, provides the
first direct evidence that humans, like rats, moths and butterflies,
secrete a scent that affects the physiology of the opposite sex.
is the first time anyone has demonstrated that a change in women's
hormonal levels is induced by sniffing an identified compound of male
sweat," said study leader Claire Wyart, a post-doctoral fellow at UC
For more about this study, see below.
UC Berkeley Study
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