to the bad foods, the fat, sugar and salt. when you put them in certain combinations, they actually work on the heroin, or morphine centers of the brain. >> larry: dr. pratt they say to exercise. can you exercise your brain? >> yes, you can. the first thing to do would be, besides taking good care of yourself physically, and proper supplementation, would be to use it, do various strategies to strengthen certain neuronal connections and reduce trauma, stress, and those elements that are interfering with your quality of life. >> larry: practical exercises you can do? >> actually, there are. there's an exciting new development in energy psychology which is using the body's energy system, actually the ak you pressure, acupuncture system to help create some changes in the feeling state, and then also have an effect on the brain. but the nice thing is some of these little simple techniques