Former President Joe Biden’s cancer diagnosis has renewed congressional scrutiny of his presidency as Republicans allege a cover-up of both his mental and physical health. Sen. Ron Johnson (R-WI), the chairman of a Senate investigative subcommittee,

Former President Joe Biden's office announced on May 18 that he had been diagnosed with an aggressive form of prostate cancer two days earlier, following the discovery of a prostate nodule. President Donald Trump and others have suggested,

Biden, even after he has exited political life and as he faces a serious cancer diagnosis, remains a factor in the conversation about his party's political future.

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

The book said that the Biden family wanted to keep Beau Biden’s cancer diagnosis a secret and misled the media about his condition.