Head lice are little, wingless insects that live on the scalp and suck human blood. Female lice lay eggs (nits) attached to the hair shaft near the scalp and cause itching and discomfort. While the ...

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Hair lice, also known as head lice, are small parasitic insects that inhabit the human scalp and hair. They survive by feeding on human blood, often leading to discomfort, itching, and embarrassment.