What is head lice and what causes it?
Head lice refers to the tiny insects that feed on blood from the human scalp.
A head louse is a tan or grayish tiny insect. It feeds on human blood that it extracts from the scalp. The female louse produces a sticky substance that adheres each egg to a hair shaft.
A head lice infestation, also called pediculosis capitis, isn’t a sign of poor personal hygiene or an unclean living environment. It results from the direct transfer of lice from the hair of one person to the hair of another, most often affects children.