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 affect millions of children every year. Schoolchildren are commonly affected by head lice, which attach to hair and feed on human blood. Although head lice are a year-round problem, the ...

Wrangling head lice, and the children they infest, must be up there with the most challenging duties a parent or carer has to face. And the job is getting harder. Commonly used chemical products ...

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 also could be bringing home a tiny nuisance: ...

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 ...