As age factors more urgently in politics, a simple test could evaluate who remains fit for office.

Alex Wagner shares examples of the disconnected, meandering style of speech that has come to typify Donald Trump's public addresses and wonders why the media concern for President Joe Biden's cognitive abilities has not focused with similar energy on Donald Trump's apparent inability to complete a sentence.

President Trump’s current, somewhat disjointed speaking style may be the result of cognitive decline, according to the health-focused site STAT.

Studies presented at an Alzheimer’s Association conference this week, not yet peer-reviewed, emphasize the need for vaccination, an association vice president said. “The best advice is don’t get covid.”

MSNBC's Joe Scarborough said Donald Trump was vulnerable to the same line of attack that he has launched against President Joe Biden.The former president gave a rambling speech Monday in South Carolina, where he claimed that windmills were "driving whales a little batty" and appeared to confuse Jeb ...

Anonymous sources reportedly close to President Biden have allegedly witnessed

Rep. Ronny Jackson, a former White House physician, said Biden is unfit for a second term on Sunday, warning his acuity is "quickly" declining.

Representative Ilhan Omar says she has no idea what Donald Trump was talking about.