The two foundations of traditional medical practice are a system of constitutional energetics (hot, cold, damp, dry, excess, deficient, etc.) and a method of classifying herbs as to their energetic effect on the body. In most systems the taste of the herb is the most effective and easiest way to accomplish this. For 40 years, David has studied the world's great systems of medicine and found ways to simplify these challenging and often difficult to grasp concepts into a concise, easy to learn and effective system that can be utilized by beginning herbalists as well as advanced clinical practitioners. Less