Bloodsucking parasite’s biggest impact may be on mental health

Bed bugs are back with a vengeance. After an absence of around 70 years, thanks to effective pesticides such as DDT, they’ve been popping up in fancy hotels, spas, department stores, subway trains, movie theaters – and, of course, people’s homes.

I’m a public health entomologist. In the course of my work, I’ve studied these little bloodsuckers, even letting bed bugs feast on my own appendages in the name of science. No one likes dealing with bed bugs – and there are ways to minimize your chances of needing to.

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