This book proposes a healthy eating guide, The Food Wheel. The Food Wheel provides a pragmatic eating and buying guide based on current research and nutrition concepts. The Food Wheel also provides an explanation of macronutrients, micronutrients, digestion, glycemic load, glycemic index, energy density, satiation, and other underlying active principles of energy utilization. Each section provides summery points that link to the Food Wheel. Practical rules for individual and family healthy shopping and dining behavior are provided.