This document discusses the importance of whole, natural foods for optimal health and longevity. It defines food of life as whole foods created by nature and minimally processed. It warns of the negative health impacts of the denaturation and artificial modification of foods through industrial processing and the addition of chemicals. The document provides extensive lists and descriptions of whole foods to consume and processed foods and other items to avoid or minimize. It emphasizes choosing organic, non-GMO foods grown without pesticides whenever possible.