The woman is 66. That’s not old as these things generally go, and her father lived to be 82. while her mother made it to her 92nd birthday.
OTOH, Clinton’s life history has not been particularly restful, and is not becoming any less stressful now.
It’s interesting to speculate on where the Dems go if she doesn’t run. Conventional wisdom gives them Joe Biden and Fauxcohantas Elizabeth Warren as the two top candidates, with Corruptocrat Cory Booker as the obligatory race candidate.
How about this? Chris Christie switches parties and runs as a Democrat.