Chew on this: Chewing gum can be good for you. Not only can it freshen your breath, it can help you overcome cigarette cravings, improve your memory -- and even help you lose weight. Still ...

Gum disease can burn largely under the radar for years, progressing slowly, but surely. Unlike other infections, it may not be painful–perhaps just a little chewing discomfort. The only real ...

This series was produced for Crest + Oral-B by Scientific American Custom Media ... recently shown unexpected associations with severe gum disease. Credit: Left to right: XtockImages/Getty ...