As people age, the shape of their face begins to change. As fat builds up in the neck, the skin begins to sag and the jaw muscles begin to shrink. This may cause your jawline to become less defined.

The temporomandibular joint (TMJ) is the hinge-like bone that connects your jaw and your skull. You can feel it moving by pressing your index fingers to your cheeks and opening and closing your mouth.

Certain antidepressants can help alleviate chronic jaw pain caused by temporomandibular disorders (TMDs), according to a ...

Clenching your jaw and grinding your teeth can do a serious number on your teeth and jaw muscles. If you're a regular jaw-clencher, you're familiar with the soreness, tooth pain and maybe even ...