President Donald Trump‘s handling of former President Joe Biden‘s recent prostate cancer diagnosis has vacillated between expressing sympathy over the seriousness of the illness and calling for transparency surrounding his predecessor’s tenure.

Former U.S. President Joe Biden’s cancer diagnosis brings forth inquiries about his health transparency during his presidency. Miscommunication about his condition further fuels debates. Both Trump's critique and a new book spotlight concerns on Biden's mental acuity and health transparency during his tenure,

Biden's health, both physical and mental, was discussed at length during the 2024 presidential election cycle, more recently after excerpts from a new book by CNN 's Jake Tapper and Axios' Alex Thompson, Original Sin: President Biden's Decline, Its Cover-Up, and His Disastrous Choice to Run Again, were published by multiple media outlets.

The news around former President Biden’s prostate cancer diagnosis is putting a spotlight on his physician, Kevin O’Connor, and whether he had taken adequate measures to monitor Biden’s health.

President Biden’s Decline, Its Cover-Up, and His Disastrous Choice to Run Again, claims that Biden’s aides concealed his cognitive and physical decline. Politically, the book has intensified scrutiny over Biden’s fitness to serve and the transparency of his administration.

In a copy of "Original Sin, President Biden's Decline, Its Cover-Up, and His Disastrous Choice to Run Again" obtained by ABC News, authors and journalists Jake Tapper and Alex Thompson allege that former President Joe Biden hid information about the cancer diagnosis of his late son,

Did Jill Biden cover up her husband’s illness? A DOJ official suggests “elder abuse” charges could be on the table after Biden’s cancer revelation sparks outrage and claims of a political cover-up.