Lice have irked humans for many centuries. In this 1497 woodcut printed in Strasburg, Germany, a man is de-loused. (Science & Society Picture Library via Getty Images) Head lice are considered a ...

Lice have been bugging humans for as long as our species has been around, and the insects’ genes record the story of their hosts’ global voyages, a study finds. Lice DNA suggests that the scalp ...

Head lice are considered a nuisance — a pest to be evicted from the hair on your head or the head of a loved one with a special comb or shampoo. But there's more to lice than their elimination. These ...

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