Strengthening jaw muscles can be useful for many reasons, such as improving facial aesthetics and providing better chewing ...

If you wake up with a headache, sore jaw muscles or achy teeth, you might be grinding your teeth at night or clenching your jaw. The condition — bruxism — is surprisingly common, experts say. Without ...

In TODAY.com's Expert Tip of the Day, a dentist reveals how in less than a minute, you can relax your jaw muscles with this ...