Getting your teeth whitened doesn't have to cost the earth. With little effort and some useful substances that you might ...

An curved arrow pointing right. Why do some people have white spots on their teeth and others don't? It turns out, they are related to what people consumed as children. Photo courtesy of ...

Whether delivered in water or toothpaste, fluoride can help guard teeth against decay. But how? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.