Mewing is the teen trend that's driving parents up the wall. Not only a slang word, mewing is a move. According to the American Association of Orthodontists (AAO), mewing claims to be a “do-it ...

Many YouTube and TikTok videos praise the practice, but there's not much evidence that mewing works. Mewing is a face-reconstructing technique that involves keeping your tongue on the roof of your ...

This mouth exercise may lead to dental or jaw issues, experts say Some people on social media are claiming that ‘mewing’ can help achieve a chiseled jawline and defined chin, among other things.