Let food be your medicine. Let medicine be your food. Hippocrates, 400 BC. Even our ancient doctors in antiquity recognized the healing power of food and primarily worked with it. The old folk wisdom "Let food be your medicine" remains a therapeutic foundation for maintaining and regaining health. However, today's nutritional counseling often focuses on individual pieces of the puzzle—such as selected vitamins, minerals, or metabolic disorders like elevated cholesterol. This book offers more: it provides a holistic perspective from conception to death, taking into account the seasons, times of day, individual predispositions, and food quality. The practical guide presents well-founded knowledge in an understandable way, complete with an organ clock and specific dietary tips.