Do we understand what makes it sudden yet? The point has been made many times about Biden, Bernie and Trumps age, but I guess that suddenness doesn’t quite kick in until 85+?
Some tests (I think blood) can detect that a body is about to die. As far as why, the human body just can't go on forever.
With my grandfather, who was 101, someone did a blood test and told us he was going to die very soon. A few hours later, when I visited, he was pushing his wheelchair around and pestering the social worker about all of his funeral plans. It honestly reminds me of the end of the movie Zardoz. (He had his funeral planned for years.)
