The masseter is a muscle on the side of your face that helps you chew. Injecting Botox into this muscle can relieve symptoms of teeth clenching or grinding. It can also help contour your jawline.

Botox injections, under the hands of a seasoned professional, can be a gift that keeps on giving. Since ophthalmologist Jean Carruthers first discovered the neurotoxin's wrinkle-reducing effects in ...

I can pinpoint the exact moment I knew I had to do something about my jaw pain. It was my birthday, and a friend cracked a joke so good that half the drinks on the table toppled as everyone doubled ...

The other day, one of my best friends told me she wanted to get Botox injections in her jaw. She just accepted a new job offer and wanted to "treat herself" to bilateral jaw-muscle Botox, a procedure ...

A muscle spasm — also known as a charley horse, muscle cramp or twitch — is a sudden, involuntary movement in one or more muscles. Common causes include stress, exercise, or dehydration, but nerve ...