Add Yahoo as a preferred source to see more of our stories on Google. Nikki Haley, former ambassador to the United Nations, speaks at the Susan B. Anthony Pro-Life America headquarters in Arlington, ...

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

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 ...

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 ...

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 ...