Exercising the neck, chin, jaw, and other facial muscles can ... In fact, doing jawline exercises such as mewing — where you put your tongue in unnatural positions in an attempt to change ...

Forceful mewing techniques could lead to jaw pain, temporomandibular joint (TMJ) dysfunction Plus, it’s important to be wary that the effort of all that chewing might just cause a literal headache.

Teens added two steps to mewing: placing a finger over the lips in a "Shhh" motion, then tracing one side of the jaw from top ...