Brushing teeth too hard can wear down the enamel, aka the protective layer on your teeth. (Photo illustration: Jay Sprogell for Yahoo News; photo: Getty Images) Brushing your teeth twice a day every ...

Think brushing your teeth after eating is always a good idea? Hate to break it to you, but your post-meal brush session might ...

Brushing our teeth is so deeply ingrained in us that we don’t even think about it usually. You put toothpaste on, brush your teeth for around two minutes, rinse and go on with your day. But, umm, that ...

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 ...