It's natural to want white teeth, but professional teeth whitening can be expensive. If you desire a brighter smile but don't want the hefty dentist bill that comes with it, consider at-home ...

Now, according to a study published in the journal Stem Cells Translational Medicine, researchers have shown it’s possible to cultivate lab-grown human teeth cells inside of a pig’s mouth.

Get inspired by a weekly roundup on living well, made simple. Sign up for CNN’s Life, But Better newsletter for information and tools designed to improve your well-being. You have been brushing ...