Where does Head Lice Originate From?

Head lice are tiny insects that live on the scalp. They come from being close to other people who have lice. The lice jump from one scalp to the other scalp. Once one child in a classroom gets them, it seems like they all get them. There are over the counter remedies for it. You can find more information here: http://www.mayoclinic.com/health/head-lice/DS00953
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