Sleeping with your mouth open may seem harmless, but it can significantly impact your health. While occasional open-mouth breathing, like during a cold, is usually temporary, chronic mouth breathing ...

Lockjaw (trismus) is a painful condition that limits your ability to open your mouth all the way. It occurs when the muscles you use to chew spasm, meaning they can’t relax completely. The term ...

Taping your mouth shut for sleep has gone mainstream. Spurred on by celebrity endorsements and social media influencers, it’s now a billion-dollar industry. On TikTok, for example, the endorsements ...

Tongue-tie is a condition some people are born with that reduces the mobility of their tongue. In some cases, it causes few side effects and resolves itself over time. If you look in the mirror, open ...

A mother who has endured decades of excruciating jaw pain and can now only open her mouth 14mm wide has said she is “deteriorating in front of a system that continues to ignore” her. Naomi Smith, 47, ...