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 ...

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

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

The American public deserves leaders who are cognitively capable of performing the demands of office. Neither Republicans nor ...

At the town hall, Trump reiterated his call for cognitive tests for all presidential candidates, not based on age, and cited other leaders who are older but still effective. He mentioned Rupert ...

Many women who receive chemotherapy experience a decreased ability to remember, concentrate, and/or think-;commonly referred to as "chemo-brain" or "brain fog"-;both short- and long-term.

Harris is releasing her medical information in a challenge to Trump, whose health and age are coming under increased scrutiny ...

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

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 ...