Mewing, a practice advocated by social media ... Suction and flatten your tongue against the roof of your mouth and breathe through your nose. Repeat this exercise various times a day.

Influencers have been promoting an exercise called 'mewing' which they say can help ... the roof of your mouth and breathe through your nose. Repeat this exercise various times a day.

Suction and flatten your tongue against the roof of your mouth as you breathe through your nose ... tooth alignment and change craniofacial structures. In recent years, mewing has gained steam ...