Mosquitoes appear to favor men over women

JUNE 17, 2010

Mosquitoes do tend to favor one gender over the other, but it may have more to do with size than hormones.

A report in the Annals of Internal Medicine suggests men may be more likely to be attacked because of their greater body size. That may be because bigger bodies put off more heat and carbon dioxide.

In addition to carbon dioxide, which is present when we exhale, lactic acid is also a strong attractant. Researchers say that is why more people are attacked when they are outside and sweating.

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