Peak-Performance Living: Easy, Drug-Free Ways to Alter Your own Brain Chemistry and Achieve Optimal Healt

For business people, athletes, and anyone wishing to boost his or her performance, Dr. Joel Robertson shares his scientifically proven methods of diet and exercise that improve performance and disposition quickly, safely--and without drugs. Anyone can gain optimism, intellectual clarity, sharpened memory, and deep feelings of well-being naturally by adjusting the brain's chemistry with these mehods.