While concerns from his own party have surged over the president’s cognitive decline, Biden has refused to heed calls to undergo neurological testing.
On Friday, the presumptive Democratic nominee for president rebuffed questions that he should consider listening to top Democratic leaders and take a cognitive test.
"Look. I have a cognitive test every single day. Every day I have that test. Everything I do," Biden told ABC’s George Stephanopoulos during a 22-minute interview. "You know, not only am I campaigning, but I’m running the world. "
It appears unlikely that the president will bow to pressure anytime soon. Should he change his mind and submit to neurological testing, he would turn to Dr. Kevin O’Connor, who has been the president’s personal physician since 2009.
Here are three things to know about the doctor who has the power to change the course of the 2024 election.