The late-night host scored a perfect 30/30 on the Montreal Cognitive Assessment during a segment titled "Is Jimmy Kimmel a moron?"

President Donald Trump told a room full of Republicans that Gov. Gavin Newsom couldn't pass a cognitive test. "Let's do it," Newsom responded. "Name your time and place."

Just last month, Trump announced that he recently passed a “third” cognitive test. This led social media users on Friday to question why the president is announcing his results again, with pundits pointing out that Trump made an identical claim last month.

President Donald Trump weighed in on the conversation about his health on Jan. 2, saying his doctors have 'just reported' that he nailed a third cognitive test — though he'd already talked about takin

Donald Trump gloated about taking his cognitive tests at a recent press conference, saying that all presidents and vice presidents should take them before going into office. On January 6, the 79-year-old politician spoke about how he aced his third test — and is as mentally fit to rule the country.

Elli Kaplan’s company Neurotrack says it’s developed a cognitive screening test that can be done in just three minutes. Earlier this month, one of the first comprehensive studies of cognitive issues found that nearly one in ten Americans over the age ...