Head lice can make schoolchildren and their parents miserable. In addition to the itching and annoyance they cause, head lice also carry a stigma with them, and can cause embarrassment to children and their parents. Every year, up to 12 million children in the United States between the ages of 3 and 11 suffer from head lice. Americans spend one billion dollars annually to treat head lice infestations and prevent their return.
Description and transmission of head lice
How they spread
Treatment and prevention
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