Mosquitoes prefer people who like to drink over those who are sober. Part of the reason is that "alcohol makes your blood vessels dilate, and warm blood moves closer to the surface of your skin," according to alcohol experts at Vine Pair. That warmth is especially attractive to mosquitoes.
If you're sweaty, you're more likely to be bitten by a mosquito because of the lactic acid buildup and odor. When a mosquito lands on you, Florida neurogeneticist Matthew DeGennaro told NPR in March, "they actually can taste your skin with their legs and then they look for a place to bite." Could a perfume or chemical that blocks mosquitoes from using that olfactory receptor stop them from detecting our sweat? It's possible, biologist Jeff Riffell added.
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4. Being a man
According to a report in the Annals of Internal Medicine, men may be more likely to be attacked by bugs compared to women. Much of that is because of size, and the fact that larger people tend to emit greater relative heat or carbon dioxide.
5. Type O Blood
Have Type O blood? Bad news: Mosquitoes love you. A 2004 study found that in a controlled setting, mosquitoes landed on folks with Type O blood nearly twice as often as individuals with Type A blood. Those with Type B were somewhere in the middle.
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Here are some ways to prevent mosquito bites:
More tips and information at CDC.gov.