Your original contention was > Education helps channel cognitive ability into useful pathways, but you either have something to channel or don't. You didn't s

Your original contention was > Education helps channel cognitive ability into useful pathways, but you either have something to channel or don't. You didn't say "some people have it easier than others", which I could agree with; hence my physical training analogy. > we don't know a way to improve a healthy brain's performance (*in a general way Yes we do - it's called education.