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

Scientists unraveling the genetic history of head lice have found startling evidence that early humans mingled with a clan of hairy, distant cousins as recently as 25,000 years ago in Asia -- a ...

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 ...