Adams said he has had time to process his diagnosis and that it has given him time to say goodbyes, get his affairs in order and do all the things he needed to do.

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.

Some Americans say they don’t understand how former President Joseph R. Biden Jr. could have only recently learned that he had an aggressive form of prostate cancer that had already spread to his bone...