“Last week, President Joe Biden was seen for a new finding of a prostate nodule after experiencing increasing urinary symptoms,” his personal office said in a statement. “On Friday he was diagnosed with prostate cancer, characterized by a Gleason score of 9 (Grade Group 5) with metastasis to the bone.”

Joe Biden’s metastatic prostate cancer diagnosis, coupled with revelations about his decline in recent years, has renewed chatter and anxiety about the former president’s health.

The book, "Original Sin: President Biden’s Decline, Its Cover-up, and His Disastrous Choice to Run Again," said that Biden stumbled through filming campaign videos so much that the footage was ultima...