Former President Donald Trump on Friday suggested he and President Joe Biden should take cognitive exams together—echoing Biden’s Democratic allies who have also called on both candidates to take ...

Medical experts have said they believe that President Donald Trump recently took the Montreal Cognitive Assessment. It is designed to detect cognitive impairment, not intelligence. Trump said he ...

Since President Joe Biden's poor debate performance last month, some Democratic lawmakers and political commentators are calling on him to take a cognitive test to illustrate his mental capacity.