Models use the technique to lengthen the face slightly and highlight their cheekbones in photos,' adds Dr Mehta. You repeat the mewing process a few times each session. 'In some instances ...

You can see a difference," she said. "When we're taking a picture, people consciously or subconsciously do it." While the concept of mewing was introduced back in the '70s, it took off again with ...

No evidence shows mewing can permanently alter your jaw structure or treat jaw pain and orthodontic concerns. Promising before and after pictures from people who have tried mewing are unreliable.