A non-fissured tongue is relatively flat across its length. A fissured tongue is marked by a deep, prominent groove in the middle. Some people with the condition report discomfort and sensitivities.

(NEXSTAR) – Do you have a “geographic tongue”? Kate McKinnon, formerly of “Saturday Night Live,” brought awareness to the condition after revealing her own “geographic tongue” diagnosis in People ...

“I took a photo of my tongue and sent it to an actor friend of mine,” she told People. “We both have the same medical ...