Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...

A parulis resulting from blunt trauma to the jaw. A parulis, commonly called a "gum boil," is an area of inflammatory tissue arising in the mouth on the gums. The word derives, as do many of our ...

A boil, also known as a furuncle, is a swollen, pus-filled growth on the skin that occurs when bacteria—even those normally found on your body—infect a group of hair follicles. Boils commonly develop ...