Exercise doesn’t make you live longer, but it does help you deteriorate less rapidly.
"Typically, the most aerobically fit people lived with chronic illnesses in the final five years of their lives, instead of the final 10, 15 or even 20 years." Of course they can't disentangle cause and effect, as "aerobic fitness is partly determined by genetics, and to that extent, the luck of the universe." Still, "much …