The itchiness, irritation, and the incessant scratching caused by the small bugs on your scalp and hair make head lice a nuisance at best and at worst, well—they're the worst. Head lice feed on blood ...

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: ...

The human-head louse has a ghostly quality. It tends to glimmer in and out of view, leaving only subtle signs and omens of its presence. Is that oblong speck an egg sac or a flake of dandruff? Was ...

Humanity's itchy little nuisance resists common pesticides and drives parents crazy. Will we ever be rid of head lice? Doctors say it's unlikely. Nothing may inspire more panic than getting that ...