Head lice are tiny six-legged insects that are only found in the hair on a human's head—most commonly in the hair of primary school-aged children. Head lice have been a constant companion for humans ...

While body hair served our ancestors in ... it played a critical role in human migration and survival. Reed’s team turned to lice, long considered a nuisance, as a unique evolutionary marker.

Head lice affect more than 100 million people worldwide annually. Permethrin (1% formulation) is efficacious but resistance is emerging. Malathion (0.5% formulation) is an alternative, but ...

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 number of cases usually peaks during back-to ...

The wax layer of the epicuticle (outer layer) is composed of a matrix of hydrocarbons, and four specific hydrocarbons identified to be consistent among head lice by Scherer were selected for study ...

Commonly used chemical products aren't working as well as they once did, meaning head lice are harder to kill.