It’s not a crisis. It’s not a reflection of your parenting. It’s going to be fine.

A typical head lice infestation involves a small number of lice, usually fewer than 10, although some individuals may have more. It’s possible to have a lice infestation for a prolonged period, even a ...

Krystal Ketchem, owner of Lice Perspectives in Valparaiso, with a plush louse, says itching is involved in only half of the lice cases she treats. Rash at the nape of the neck, swollen glands, a ...

From chimps tending wounds with bug juice to birds using cigarettes to ward of ticks and lice, animals have adapted creative ways to ward off health threats. Monarch caterpillars snack on milkweed, ...

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 ...

Figure 1. Fossilized nits of chewing lice, tightly affixed to feathers of an enantiornithine bird, entombed in mid-Cretaceous amber from northern Myanmar. (a) Isolated barbs and regularly arranged ...