Jackson, a former White House doctor, and the Republicans wrote that, in light of Biden’s 2024 presidential re-election campaign announcement, they were concerned with his “current cognitive state and ability to serve another term as President.”

“We believe that, regardless of gender, age, or political party, all Presidents should document and demonstrate sound mental abilities,” the Republicans wrote.

The Republicans wrote that, following Biden’s February physical, the White House physician Kevin O’Connor “claimed you were a ‘healthy, vigorous, 80-year-old male, who is fit successfully execute the duties of the Presidency, to include those as Chief Executive, Head of State, and Commander in Chief.’”

“However, this is a statement based on a physical exam that excluded the evaluation of your cognitive and mental abilities, which is where our concerns, and the concerns of the American public, lie,” they wrote.

Jackson and his 61 Republican colleagues noted the three separate “letters on this issue” since Biden took office and that the president has “failed to respond to any of these letters and have actively ignored the requests of over 50 Members of Congress for you to submit to a cognitive exam.”

The Texas Republican’s letter has been circulating since last month and garnered dozens of GOP signatures, including prominent lawmakers House Republican Conference chairwoman Elise Stefanik of New York, House chief deputy whip Guy Reschanthaler of Pennsylvania, and Texas Rep. Dan Crenshaw.

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