WASHINGTON — Former President Joe Biden’s senior staff would “joke” about him giving “vastly different accounts” of how much time he’d spent with Chinese President Xi Jinping — even as some aides ...

A neurologist has shared the details of a simple cognitive test you can try at home. The test is reportedly taken by US presidents, including President Donald Trump. Tests such as these are designed ...

In a country where the vitality of the president tends to serve as a proxy-in for credibility as a leader, President Donald J. Trump — now in his second term and the oldest president to hold office in ...

President Donald Trump just announced again that he “aced” his third cognitive test. Social media users quickly mocked the president for bragging about passing another cognitive test, with many ...