On: Cardio fitness is a strong, consistent predictor of morbidity and mortality

[mensetmanusman]

The less in shape you are, the sicker you can possibly get.

[bee_rider → mensetmanusman]

That seems counter intuitive I’d expect that, if you are in very good shape you can get more sick before dying.

[datascienced → mensetmanusman]

Probably a continuum of causal arrows pointing either one way or the other, in the group.