Medically reviewed by Daniel Combs, MD Lice are parasites that survive on your body by living off your blood. Three types of lice impact humans: head lice, body lice, and pubic lice. Head lice, the ...
Humans are hosts only to three types of sucking lice: body lice, head lice, and pubic lice. Head lice live on the human scalp and feed on human blood. They are 0.09 – 0.1 inches long, wingless ...