Dear Dr. Jorden: My son has come down with head lice at school. What can I do to get them off my dog so my son won't keep getting them? Should I get rid of our dog? Lice are found everywhere. Dogs get ...

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 ...

Scientists unraveling the genetic history of head lice have found startling evidence that early humans mingled with a clan of hairy, distant cousins as recently as 25,000 years ago in Asia -- a ...