Head lice are small, flat, six-leg, blood-sucking, wingless insects about 2–4 mm long that live, reproduce and feed on the human scalp. Head lice have been surviving in humans for millions of ...

Children taking its seeds or oil by mouth are likely to vomit ... In a study that tested the efficacy of a neem-based shampoo on head lice in children, leaving shampoo in the hair for 10 minutes ...