The news of the former president's illness, coupled with the damage to Biden-world’s credibility when it comes to his fitness, have led to speculation about a cover-up.

Donald Trump reacted to the news of Joe Biden’s prostate cancer diagnosis by flexing his own clean bill of health Monday. The president also followed his son’s lead in casting doubt on how long his predecessor had known about his “Stage 9” cancer.

In a rambling response to a reporter’s question at a law enforcement event at the White House, Trump suggested that Biden hid his cancer diagnosis while he was in office, playing into unverified conspiracies that have come out since Biden’s announcement on Sunday that he has an aggressive form of the disease for which there’s no cure.

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.

Donald Trump’s Washington reality show is full of plot twists. Our free, weekly newsletter THE SWAMP wades through the D.C. ooze.

Vice President JD Vance's reaction to former President Joe Biden's cancer diagnosis sparked mixed reactions online on Monday. Newsweek reached out to Vance through the White House via email on Monday.

After maintaining a low profile since leaving the White House, former President Joe Biden recently emerged with media interviews and an April speech.

Fox News chief political analyst Brit Hume and public health expert Dr. Steven Quay break down former President Joe Biden's 'aggressive' prostate cancer diagnosis and the scrutiny over his administration's transparency on 'Special Report.