A sharp, defined jawline is often considered a hallmark of attractiveness, and many people seek ways to enhance their facial ...

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

Health reporter Kim Schewitz felt deeply uncool doing exercises to fix her posture as a teen. Then, she realized it was becoming a "glow up" hack.

Here's why defined jawlines are so coveted and what actually works to improve facial structure (i.e., likely not chewing gum) ...