Biden was treated for a blood clot in his lung in 1988, per The Washington Post. The clot came one month after the then-senator underwent emergency surgery for the first aneurysm. At the time, bed rest following the surgery was thought to have led to the subsequent clot.

Donald Trump Jr. has been called out after doubling down on his 'sarcastic' response to Joe Biden's prostate cancer diagnosis

Donald Trump Jr has been asked to 'show some class' after 'indecent' posts following Joe Biden's prostate cancer diagnosis.