Look, Listen + Learn is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, ...

A new study shows the glow from tooth whitening often fades within a year, but whether you still love your smile may depend more on your personality than the shade of your teeth. Study: Effect of ...

Teeth can appear yellow for various reasons, but a range of strategies can slow the process and may reverse it. Tips for getting white teeth range from avoiding certain foods to occasional brushing ...