The secret to preventing tooth decay may have been hiding in your mouth all along. Increasing levels of an amino acid in ...

Tooth decay (dental caries) is one of the most common chronic childhood diseases in the United States. The good news is there are ways to prevent it. Even the tiniest teeth can decay. There are habits ...

Add Yahoo as a preferred source to see more of our stories on Google. Tooth decay is largely caused by sugar, which interacts with bacteria on our teeth to cause damage. (Getty Images) (Catherine ...