"Open Wide," a documentary about Dr. John and his son Mike Mew ... to improve jaw alignment and change the shape and look of the jawline and face. Proponents claim it is a non-invasive way ...

The practice is linked to British orthodontist John Mew and his son Michael Mew ... that tongue posture alone can significantly alter jawline shape, especially in adults whose bones have stopped ...

Mewing is a face-reconstructing technique that involves keeping your tongue on the roof of your mouth to change your jawline's shape ... British orthodontist Dr. John Mew, who popularized the ...