It stimulates your central nervous system and is necessary for proper brain function. (shop.gymjunkies.com)
You need them for all sorts of things like proper brain function, building muscle, and just plain fuel to live. (thescienceofgettingripped.com)
These potential challenges to proper brain function provide us with clue for where we should look for support, as we grow older and wiser. (drlaurell.com)