That woman is the toughest old bird I’ve ever seen. The reaper will catch one day but she has managed to stay one step ahead of him for many years now.
I think people at this level have access to treatments us little people don’t. Probably haven’t even heard of.
The Koch brother who just died confirmed this by saying he managed to live an extra 26 years through technology and treatments when most of us would have lasted only a few years.
Being rich and having a cushy job helps.