Around 3.3 million years ago, gorillas gave our early hominid ancestors pubic lice, and humans have had them ever since, according to new research. The pesky parasites, which on humans live in pubic ...

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 ...

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 ...

The globally important human diseases of trench fever, epidemic typhus, and relapsing fever are vectored by the human louse Pediculus humanus humanus. Although these conditions are epidemically ...