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 ...

WASHINGTON — Presumptive Democratic nominee Joe Biden shrugged off a question Tuesday about taking a cognitive assessment test, which President Trump has challenged him to do — while misrepresenting ...

President Donald Trump has boasted in several recent television appearances about his performance on a screening test intended to assess mild cognitive impairment or early dementia. It’s unclear if ...

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 ...

FIRST ON FOX: Nearly 40 Republican lawmakers are calling on President Biden, 79, to take a cognitive test, following the example set by his predecessor, former President Donald Trump. The Republican ...

Scientists have discovered something intriguing about cuttlefish after putting them through a "marshmallow test." The test, which is designed for children, showed that the cuttlefish have the ability ...