A newly discovered muscle layer (denoted in the photo by ‘C’) runs from the back of the cheekbone to the anterior muscular process of the lower jaw (Jens. C. Türp, University of Basel ) ...

You may be able to strengthen the muscles in your jaw with exercises such as neck curl-ups, collarbone backups, tongue twisters, and more. As we age, the shape of our faces goes through changes ...