What are sea lice? Experts explain how to treat itchy, stinging rashes from the tiny sea creatures filling South Carolina ...

Head lice are small parasites that live on human scalps, feeding on blood. While they don’t cause serious health problems, head lice are a common and frustrating problem, especially among school ...

Head lice can cause localized infection if excessive scratching introduces bacteria into an open wound, but the bugs themselves don’t spread disease or carry human pathogens, the CDPH says.

A human body louse (green in this fluorescent microscope image) has special glands in its head that can get infected with plague bacteria (red/orange). David M. Bland (CC0) By Tina Hesman Saey ...

WATCH: Forget ordinary head lice, now families have to worry about bringing in “super lice” — a more resistant breed of the pesky, itch-inducing insect, which experts say are getting harder ...

Head lice have been constant, if unwanted, human companions. The blood-sucking parasites are rich sources of genetic information illuminating some of the biggest questions in the human story.

Head lice have been constant, if unwanted, human companions for as long as our species has been around. Evidence of this ancient connection includes a 10,000-year-old louse found on human remains ...

Head lice have been constant, if unwanted, human companions for as long as our species has been around. Evidence of this ancient connection includes a 10,000-year-old louse found on human remains at ...

Head lice have been constant, if unwanted, human companions for as long as our species has been around. Evidence of this ancient connection includes a 10,000-year-old louse found on human remains ...