Since announcing her candidacy for president in next year's contest, Nikki Haley has repeatedly called for making "mental competency tests" compulsory for politicians over the age of 75. On Monday, ...

This isn’t a real cognitive test, but it should give you an understanding of how simple screenings work. Donald Trump, who is just three years younger than Biden, has yet to offer details on ...

Former President Donald Trump claimed to have again “aced” an increasingly difficult cognitive test involving intricate math problems, but experts say the test is easy, and a mock exam contained ...

Donald Trump has once again brought his cognitive test results back into the spotlight, using them to push back against ...

President Donald Trump rambled about his ability to correctly identify animals as he touted his mental acuity on Friday, ...

Political opponents, armchair pundits and even nervous supporters are demanding that President Joe Biden undergo such testing after his dismal debate performance – even though his physician says he ...

Cognitive tests are gaining attention for their role in the early detection of Alzheimer's and other forms of dementia. Dementia is a growing concern as it kills more older Americans than breast and ...

Daily Show' host Jon Stewart has a pointed question for Donald Trump, who recently bragged about being 'the only president to ...