My understanding was that you can see exercise induced changes in risk factors (blood pressure etc) relatively easily, but that evidence for changes in health outcomes (like risk of death, lowered incidence of disease etc.) were on shakier ground.
From what I can tell, this seems to be true. Does he talk about this in the video?
From what I can tell, this seems to be true. Does he talk about this in the video?
I remember him doing so.