The Republican candidate campaigns at a McDonald's and the vice-president accuses her opponent of being "unstable".

Trump has been facing new questions over his physical stamina after reports that his recent cancellations were because he was ...

Donald Trump bizarrely impersonated a duck during his town hall in Pennsylvania on Sunday, not long after boasting that he ...

I believe it is very important that Kamala Harris pass a test on Cognitive Stamina and Agility,” the Republican candidate, 78 ...

Trump said that Harris should take a cognitive test after the vice president demanded he release his medical records.

"I think that reporters should start asking different questions, very specific questions. I think they should ask about his ...

Impairment in both an odor identification test and global cognition is comparable to positron emission tomography (PET ...

Donald Trump has made a wild claim about his opposition in the upcoming election, calling for Vice President Kamala Harris to ...

Former President Donald Trump says Vice President Kamala Harris should take a cognitive test, calling her “slow and lethargic ...

Jimmy Kimmel has called on Donald Trump to put his “biglyest” brain to the test and take a cognitive exam live on TV ahead of ...

Former President Trump early Monday said Vice President Harris should take a cognitive test, as the Harris campaign hammers ...