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Why Do Mosquitoes Love Biting Some People More Than Others?

Mosquitos are an annoyance to all — but some people seem to attract them far more than others.

ByCody Cottier
Credit: mycteria/Shutterstock

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As I slept unaware beneath the stars one night in early July, what I can only assume to be a legion of mosquitoes declared war against my forehead.

I’ve been a mosquito magnet as long as I can remember, so I should have foreseen the itchy misery they would deliver upon my face. I offered them an exposed patch of flesh, they took it. Eight times. But my two companions — who by all outward appearances should have made equally suitable morsels — awoke unscathed.

“Why me?” I asked my swollen, red reflection in the morning. As I learned soon after, the tiny, winged hellhounds’ blood bias probably wasn’t random. Some people seem to be super-appetizing to mosquitoes (next time you meet one, make sure to thank them for their sacrifice). But the specifics of that attraction are far from straightforward.

“It’s a very complicated process for the mosquitoes, no ...

  • Cody Cottier

    Cody Cottier is a freelance journalist for Discover Magazine, who frequently covers new scientific studies about animal behavior, human evolution, consciousness, astrophysics, and the environment. 

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