Add Yahoo as a preferred source to see more of our stories on Google. Ever been brushing your teeth or flash a smile while looking in the mirror and noticed something seemed... off? While the shade of ...

If you have swollen gums, it can be a sign of gingivitis, which is an early stage of gum disease. Make sure you have regular dental check-ups to prevent swollen gums from developing into severe oral ...

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 ...