[kamac]

The takeaway from this, if you're lazy like me:

> In line with this, observational studies suggest that exercise has a statistically significant preventive effect on premature all cause mortality with active individuals showing up to a 72% lower risk of premature mortality from all causes compared with inactive individuals

[jkhdigital]

—-> on the elderly. This study makes zeros claims about any other age group.

[tgb]

That's a summary of other, prior research (and observational, this one is randomized).