Head lice are small, wingless insects that live in human hair. Their scientific name is Pediculus humanus capitis, and they have been a human pest for thousands of years. Their full life cycle, from ...

Super lice do not look any different from normal lice. They’re identified by their resistance to common treatment. With proper over-the-counter treatment, head lice can be treated. Super lice are a ...

As school starts back up, so does the number of head lice cases. But humans have been dealing with the parasites for millennia—and that may continue indefinitely. Head lice are some of our oldest ...