Head lice are insects that are found, as the name suggests, on the head. They are common human parasites. Learn more about head lice by taking this quiz, based on information from the Centers for Disease Control and Prevention.
Medical Reviewer: Kanipe, Jennifer RN, BSN Lam, Toan H. MD
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Reference: Skin, Hair and Nails section on Better Medicine
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True or false? Head lice can often be found behind the ears and at the hairline at the back of the scalp.