Octogenarians who kept active throughout life had the aerobic capacity of men decades younger.
Octogenarians who spend a lifetime doing endurance exercise have the aerobic capacity of 40-year-olds.
For their age, these ultra-athletes have the highest aerobic capacity ever measured, suggesting that lifetime endurance training may ward off age-related declines in fitness.
The findings also strike a more hopeful note than past work, which found that starting an exercise regimen in old age didn’t do much to boost aerobic capacity.
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