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Deep Nutrition illustrates how our ancestors used nourishment to sculpt their anatomy, engineering bodies of extraordinary health and beauty. The length of our limbs, the shape of our eyes, and the proper function of our organs are all gifts of our ancestor's collective culinary wisdom. Citing the foods of traditional cultures from the Ancient Egyptians and the Maasai to the Japanese and the French, the Shanahans identify four food categories all the world's healthiest diets have in common, the Four Pillars of World Cuisine. Using the latest research in physiology and genetics, Dr. Shanahan explains why your family's health depends on eating these foods. In a world of competing nutritional ideologies, Deep Nutrition gives us the full picture, empowering us to take control of our destiny in ways we might never have imagined.