House Oversight Chairman James Comer is requesting former President Joe Biden's White House physician, Kevin O'Connor, appear for a transcribed interview as part of an investigation into Biden's mental fitness and use of a presidential autopen while in office.

With new books raising alarm over Biden’s health, Comer emphasizes the need for transparency on the former president's mental decline and critical decision-making during his term.

President Donald Trump trusts White House doctors despite Biden's prostate cancer diagnosis. White House press secretary Karoline Leavitt assured reporters that Trump's health is excellent.

The news of Joe Biden's prostate cancer diagnosis has raised questions about why the disease wasn't detected earlier.

An oncologist who once worked for President Joe Biden has called for more oversight over the top White House physician gig after his old boss was diagnosed with cancer — insisting the person filling the role shouldn’t be handpicked by the commander-in-chief.

Joe Biden ended a half-century career in public ... The former commander-in-chief, who left the White House and headed straight to California for vacation, has stayed low-key for months.

The Biden administration is taking more heat after a turbulent week filled with questions about the former president's cognitive abilities.

The GOP-led House Committee on Oversight and Government Reform has called on President Joe Biden's physician and former White House aides to sit for interviews as it investigates.