Since 5,000 years the science of Ayurveda helps guiding billions of people to eat healthy and balance diet. The basics are very simple and intuitive, eating natural-seasonal-local foods. By following that you are guaranteed to get exactly what you need from the seasonal harvests availabe around, More knowledge commonly used is about special spices and herbs, food combinations and mostly about the culture of eating: how, when, why, what amounts and where.