This "groundbreaking" opinion of the American Dietetic Association (recently renamed the Academy of Nutrition and Dietetics) unequivocally declares in its materials from 2003 and 2009 that "a properly planned vegetarian and vegan diet is healthy, nutritionally balanced and beneficial to health in the prevention and treatment of various diseases. A well-planned vegetarian and vegan diet is suitable for all periods of life, including pregnancy, breastfeeding, childhood and adolescence".
Brno, Czech Society for Nutrition and Vegetarianism, 2004, 61 pages, paperback, new.