A look at the times former White House press secretary Karine Jean-Pierre denied former President Joe Biden was in declining ...

Jon Stewart and 'Pod Save America' hosts raise concerns about Biden's mental health following 'Original Sin' book, highlighting issues of transparency.

Many Americans have been thinking about former President Joe Biden's health in recent weeks — but it was his mental agility that concerned them. After Sunday's announcement that Biden has been ...

Jake Tapper accuses Trump of not being transparent about his own health records while the journalist's new book 'Original Sin ...

Former President Joe Biden's cancer announcement revived questions on Monday about the extent of his health issues during his ...

Former President Biden’s cancer diagnosis has done little to quell concerns about his decision to run for reelection, and ...

Former President Joe Biden's aides privately discussed the possibility of the president needing to use a wheelchair if he were re-elected.

In a copy of “Original Sin” obtained by ABC News, journalists Jake Tapper and Alex Thompson allege Joe Biden hid info about ...

The GOP-led House Committee on Oversight and Government Reform has called on President Joe Biden's physician and former White ...

Megyn Kelly hosts a struggle session for CNN anchor Jake Tapper over the way he has now published a book about President Biden's mental decline after rarely mentioning it on his daily television show ...

The former U.S. president's cancer announcement revived questions about the extent of his health issues during his tenure, ...