Prehistoric cavemen are known to have eaten ducks, fruits, vegetables, fish, legumes, nuts and seeds, among other items. Roughly two-thirds of a caveman's diet consisted of plant-based foods. More »

Foods that can be eaten on Dr. Oz's Mediterranean diet include vegetables, fruits, whole grains, nuts and legumes. Low-fat dairy and healthy fats are also recommended. More »

The Yanomami people eat a variety of foods, such as wild honey, plantains, corn, cassava, fruits, seeds, fowl, deer, armadillos, nuts and monkey. These people eat the foods that they grow, hunt or gather. While the men d... More »

The Seneca enjoyed a diverse diet rich in fruits, vegetables, legumes, fish and game. Their annual menus primarily included corn, squash and beans, which they called the "three sisters" or Deohako, "the life-supporters." More »

Low-carb foods can be purchased from any local supermarket or grocery store that carries fruits, vegetables, eggs, poultry, meat, fish, legumes, dairy, nuts and whole grains. People on a low-carb diet have a wide range o... More »

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A high-fiber diet with plenty of nuts, whole grains, fruits, vegetables and legumes can help decrease or prevent the likelihood of heartburn symptoms from occurring as much as 20 percent, according to WebMD. Beverages su... More »

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Foods containing roughage, or fiber, include fruits, vegetables, cereals and grains, nuts and legumes and even some canned foods. Among fruits, raspberries offer the most fiber, with 8 grams of fiber in each 1 cup servin... More »