The real Paleo Diet is back. Loved for its simplicity, and health benefits the diet has been widely imitated since its release. Yet no one knows this plan better than Loren Cordain, its creator. As an expert in evolutionary medicine, Cordain realized we had moved away from the foods we were designed to eat—lean proteins, fruits, and vegetables—while modern staples such as sugar, salt, and carbohydrates were creating a host of 21st-century health issues, including obesity and heart disease. By eating the right food, people are healthier.