Numerous insects, including mites, lice, fleas, ticks, and bed bugs, can inhabit or visit the human body. These creatures ...

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 ...

Ancient genomes reveal that a bacterial fever jumped from human-borne ticks to lice around the time wool textiles became common.