Lice are tiny parasites that thrive on the human scalp, feeding and reproducing in secret. This video uncovers the unsettling truth about their life cycle, transmission, and how to stop the ...

The hallmark symptom that indicates there might be an infestation is new and onset itching of the scalp, said Dr. Danilo C ... and are mostly spread through head-to-head contact where the parasites ...

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 ...

Children have returned to school and are bringing home stories about the things they learned and the friends they made. But some parents are concerned they could also be bringing home a tiny nuisance ...