Kate McKinnon is opening up about a relatively unheard of, but thankfully benign, condition.

“I took a photo of my tongue and sent it to an actor friend of mine,” the Saturday Night Live alum, 41, told People in an interview published on Saturday, September 6.

“We both have the same medical condition,” she continued. “It’s called geographic tongue. Your tongue sheds in patches and looks like an atlas, hence the name ‘geographic tongue.’”

According to the Cleveland Clinic, geographic tongue is a “noncancerous condition that causes smooth, reddish patches on your tongue.” A person can have the condition without experiencing any symptoms, according to the health organization, and it neither causes health issues or requires treatment.

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