Cognidren it's coming clear now let's let's go deeper into the story and if this is going to be a real principle there must be a mechanism and oftentimes when you have a mechanism it promotes expansion of research in the field because then you can really get a hold of it you can find alternatives you can find strategies etc and you might be able to even take a lifestyle and pair it with a pharmaceutical to get more benefit out so how does exercise act on the brain well you know I was part of a MacArthur Foundation study group that was looking at the effects of how people could be promoted to age successfully

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