Brain rules full book summary by John medina in English - How to make your brain into superbrain These are the 12 BRAIN RULES that will change your life, Which John J Medina has told in his book Brain Rules , John J Medina is a developmental molecular biologist whose main research area is the isolation and characterization of genes involved in humans. John Medina has spent most of his professional career solving mental health and only after that he write his book Brain rules , 12 rules for the mind . 1) Exercise boosts brain power - Our brain was designed for a body that runs 12 miles / day. Exercise improves our thinking skills, that why you should do always exercise on daily basis you due to exercise your brain gets lotes of oxygen and your brain work more efficiently and you can boosts your brain by doing only simple exercises. 2) The human brain involved too - humans first got the lizard brain, then we got the intelligent hue like cats and finally the corte...