In an interview with People magazine ahead of the release of his White House memoir, former President Joe Biden revealed that he did not know he had cancer while in office and stated he wouldn’t have run for a second term if he had been aware of it. Despite this admission, Biden maintains that his poor performance during the debate against Donald Trump was not indicative of his health condition at the time.
Biden says he wouldn’t have run for second term if he’d known he had cancer (this article)