Add Yahoo as a preferred source to see more of our stories on Google. President Joe Biden, right, and Republican presidential candidate former President Donald Trump, left, participate in a ...

Cognitive testing is not a weapon. But you wouldn’t know that by following the last few years of American politics. Donald Trump himself got into the game. “Joe should immediately take a Cognitive ...

President Biden is facing calls to undergo cognitive testing and release the results after his disastrous debate last month, and amid a series of reports about his apparent decline in recent months.

Doubts about the mental fitness of President Biden and Donald Trump to hold the White House in their 80s have highlighted tests that could reveal whether an older adult is experiencing cognitive ...

President Trump repeated Monday that he took another cognitive test during his recent trip to Walter Reed National Military Medical Center. Why it matters: Trump's comments on his intelligence and ...

Trump gets a lot of things wrong when he talks about cognitive tests. He recently bragged to journalists that he “aced” one, and said the doctors at Walter Reed told him no president had taken a ...