Maybe you have lice and he has lice, and you’ve all had lice for weeks. The possibility is frightening. The uncertainty leads ...

Head lice are considered a nuisance — a pest to be evicted from the hair on your head or the head of a loved one with a special comb or shampoo. But there's more to lice than their elimination. These ...

Discover the 25 insects that call human bodies their home. Learn about these tiny inhabitants, their symptoms, and how to ...

About 5,000 years ago, a bacterium that was primarily transmitted via ticks made a switch to louse. That may have been a strategic evolutionary opportunity, since the change from tick to louse as a ...

Children have returned to school and are bringing home stories about the things they learned and the friends they made. But some parents are concerned they could also be bringing home a tiny nuisance ...

Lice checks were a dreaded part of my childhood — I remember anxiously waiting for the nurse to call my name for a checkup, hoping a call home wouldn’t follow (sometimes, I wasn’t so lucky). Head lice ...