The brain is a physical organ just like the heart or lungs or liver and, as such, its functioning can be affected by our environment, particularly the substances we put in our bodies. I first became aware of smart drugs from an article in Omni magazine some twenty years ago while I was attending college. It was also at that time that I was becoming aware of health foods, and the article so impressed me that, while other students were taking speed and No-Doz to cram for exams, I was gobbling hand-fuls of vitamins. While my approach was undoubtedly too haphazard and belated to have.
