Haupt is a health and wellness editor at TIME. Haupt is a health and wellness editor at TIME. When Dr. Priya Mistry asks people if they clench their jaws, they usually say no—yet she can see clear ...

Dealing with any tension in the body is a real pain. But a tight, sore jaw can be mind-numbingly painful at worst and annoying at best. Learning how to relax your jaw can protect you from a host of ...

Lockjaw happens when your jaw muscles tighten up so much that you can't open your mouth properly. Tetanus is a serious bacterial infection that can cause lockjaw and muscle spasms. TMJ disorders can ...

If you have temporomandibular joint disorder, you may experience symptoms like jaw pain, jaw popping and clicking, and headaches. Sometimes, the disorder goes away without treatment. Most people who ...

Add Yahoo as a preferred source to see more of our stories on Google. When Dr. Priya Mistry asks people if they clench their jaws, they usually say no—yet she can see clear signs suggesting otherwise.

When Dr. Priya Mistry asks people if they clench their jaws, they usually say no—yet she can see clear signs suggesting otherwise. So now, she words the question differently: Are they aware of their ...