Our genetically-programmed behavior does not always serve us well in our modern environment. When I began my practice more than 20 years ago, I still had a lot to learn. I had the skills and information to help sick people get well and healthy people stay well. But I thought that all I had to do was take a careful medical history, perform a thorough physical examination, and prepare detailed diet and lifestyle recommendations. Then, I thought, my patients would follow my advice diligently and get outstanding results. But it did not always work that way.read more