The former president’s cancer diagnosis prompted an outpouring of well wishes and sympathy, as well as some whispered uncertainties that reflected a lack of trust in what he says about his health.

Peter A. McCullough, a former cardiologist who promoted unproven treatments like ivermectin and hydroxychloroquine at the height of the pandemic, posted a video to Instagram claiming that Biden’s cancer was “turbo cancer.”

Ohio Democrats share support for Joe Biden after his office confirms diagnosis of aggressive, hormone-sensitive prostate cancer that has spread to his bones.