Meet Demodex, the face mite, a microscopic arachnid that lives on human skin. The pore is its humble abode and the waxy sebum we secrete is its meal of choice. It's hard to know for sure ...

Demodex mites are tiny eight-legged parasites that mostly live in hair follicles and oil glands on your face, neck, or chest. As alarming as this may sound, they’re generally harmless.

You shed about 15 million skin cells each night, but they don't just pile up in your sheets. Because something else is already there waiting to gobble them up: dust mites. And the longer you wait ...

The whole thing is a skit. There’s no real patient on the other end of the autofractor. But the optometrist is using the skit as an educational opportunity for viewers. The optometrist warns in the ...