Vegetarianism is increasing in popularity in the United States, according to a recently published position paper in the Journal of the American Dietetic Association . Among adults, 2.3% of the population is vegetarian and 3% of 8- to 18-year-olds follow a vegetarian diet. That doesn’t sound like much, but—compared with just a few decades ago—there is a definite movement from Americans to give up their beloved burgers, at least some of the time. According to the American Dietetic Association’s new position paper, released in July, “appropriately planned vegetarian diets, including total vegetarian or vegan diets, are healthful, nutritionally adequate, and may provide health benefits in the prevention and treatment of certain diseases. Well-planned vegetarian diets are appropriate for individuals during all stages of the life cycle, including pregnancy, lactation, infancy, childhood, and adolescence, and for athletes.” In summary, vegetarian diets offer health advantages and are approp...