Exercise increases brain blood flow and modestly prevents dementia, but not Alzheimer's in genetically predisposed individuals.

“but very important for the brain you can use you're gonna turn uh you know the Easter prone to go to cognitive design because let's say you have a major genetic risk but if on top of that you don't exercise you're gonna accelerate as we know from study and and that's one of the biggest thing we have to to put that um you know we have to put to the world like okay we need to exercise that no matter what I mean if you want to stay healthy in terms of brain function yeah no other choice”