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 ...

Falling asleep with our mouths open happens to all of us and many think it isn't such a big deal. However, there are some eye-opening things connected to open-mouth sleeping. Our facial muscles tense ...

That slightly open mouth while concentrating. The subtle parting of lips during sleep. The tendency to breathe through your mouth instead of your nose during exercise. These seemingly innocent habits ...

TAMPA, FLA. (WSVN) - A dog owner in Tampa is speaking out and sharing her story after she wrangled a 6-foot alligator to save her pet’s life. A Tuesday evening walk seemed like the perfect end to a ...

Dear Eric: I play cards weekly with a group. One of the women sometimes chews gum during our games, noisily and with her mouth open. This is worse than fingernails on a chalkboard to me. Why do ...

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 ...

Dolphins are known for what appear to be big, contagious smiles. But do they actually, well, smile? The answer, according to a new study of dolphin play, is a resounding “maybe.” Dolphins use their ...