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.

Joe Biden and Donald Trump are, respectively, the oldest and second oldest presidents in American history. As both attack each other over their mental acuity in the 2024 election, they have also ...

Doctors explain the signs to look for, and how to get evaluated. By Dana G. Smith Mike Davis’s mother died from Alzheimer’s disease in 2008. So when Mr. Davis started noticing that he was having an ...