salsify, sweet potatoes, winter squashes (acorn, banana, butternut, Hubbard), yams
Green, Yellow, and Orange (Nonstarchy) Vegetables: Bok choy, broccoli, Brussels sprouts, cabbage, cauliflower, celery, chives, collard greens, eggplant, garlic, green beans, kale, leeks, lettuce, mustard greens, okra, onions, peppers, radishes, rhubarb, scallions, spinach, summer squashes, turnips, zucchini
Fruits: Apples, apricots, bananas, berries, cherries, figs, grapefruit, grapes, loquats, mangoes, melons, nectarines, oranges, papayas, peaches, persimmons, pineapples, plums, tangerines, watermelons
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You’ve probably heard about the benefits of a plant-based diet—one that reduces or eliminates animal foods like meat, dairy, and eggs. This concept does not go far enough. Without the addition of starch, a diet of low-calorie leafy greens like lettuce and kale, crucifers like broccoli and cauliflower, and fruits like apples and oranges will leave you feeling hungry and fatigued. Nonstarchy green, yellow, and orange vegetables are good for you to eat, but on their own do not give you enough calories to sustain your daily activities and keep you feeling satisfied. Your natural hunger drive may lead you to fill up on something else at the expense of your weight and health.
T HE R EAL P ALEOLITHIC D IET
Look at a globe—any region with a large population of trim, healthy people reveals the same truth: Healthy populations get most of their calories from starch. Eat a traditional meal in Japan, China, or most any Asian country and you will find your bowl filled with rice, possibly alongside sweet potatoes and buckwheat. The same truth dates back throughout recorded human history. The Incas of South America centered their diet on potatoes. The Incan warriors switched to quinoa for strength prior to battle. The Mayans and Aztecs of Central America were known as “the people of the corn.” The ancient Egyptians’ starch of choice was wheat. Throughout civilization and around the world, six foods have provided our primary fuel: barley, corn, millet, potatoes, rice, and wheat.
If the map hasn’t convinced you, science documents it well: Over at least the past 13,000 years, starch has been central to the diets of all healthy, large, successful populations. In fact, new discoveries show evidence of starch-based diets even earlier.
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T HE W ARRIOR’S D IET
Throughout history, men and women who ate diets based on grains, vegetables, and fruits have accomplished history’s greatest feats. The ancient conquerors of Europe and Asia, including the armies of Alexander the Great (356-323 BC ) and Genghis Khan ( AD 1162-1227), who conquered the known Western worlds during their respective times, consumed diets based on starches. Caesar’s legions complained when they had too much meat in their diet and preferred to do their fighting on grains. 14
The remains of 60 Roman gladiators who fought and died more than 1,800 years ago in Ephesus, in western Turkey, were recently found in a 200-square-foot plot along the road that led from the city center to the Temple of Artemis. 15 Analysis of their bones for calcium, strontium, and zinc showed that the world’s fiercest fighters followed an essentially vegan diet. In contemporary accounts, the gladiators are sometimes referred to as
hordearii,
or barley men, since barley provided the bulk of the nutrients that gave their remarkably strong muscles and bones the strength and endurance to compete in the ultimate sport of life and death.
O UR DNA P ROVES W E A RE S TARCH E ATERS
Experts have long concluded that primates—humans included—are designed to eat a diet based on plant foods. Our anatomy and physiology require it. The natural diet of our closest relative, the chimpanzee, is almost purely vegetarian, made up mostly of fruits, leaves, and perishablevegetable matter. In the dry seasons, when fruit is scarce, chimps eat nuts, seeds, flowers, and