The cells in the human body that keep out foreign invaders apparently influence a person's odor. And now synthetic chemicals that mimic this scent could one day be added to perfumes to lure potential mates, a new study suggests.
The study, published today (Jan. 22) in the journal Proceedings of the Royal Society B, found that women preferred wearing perfumes with an odorless substance that mimics unique immune
system chemicals secreted through the skin.
Some people's immune systems can be incompatible with each other— either leading to offspring with a poor defense against invaders or a tendency to attack the body's own cells. So, if added to perfumes, the synthetic chemicals could one day broadcast people's immune signature to lure the most evolutionarily compatible mates.
Tia Ghose, Live Science
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