I REALLY DON;T KNOW THAT THIS IS NEW NEWS. THAT THE MORE WE EXERCISE THE BODY THE MORE WE EXERCISE THE BRAIN. WE USED TO CALL IT ENDORPHINS..BUT NOW WE CAN DIG MUCH DEEPER TO SEE AT WHAT LEVEL OF EXERCISE AND AT WHAT LEVEL OF SUPPORT THE BODY NEEDS TO GET ALL THE ADVANTAGES..THE STUDY OF THE HUMAN BODY.. TUNE IN FOR DETAILS.