A very lowfat vegan diet meets nutrient needs of older men.Dean Ornish Dean Michael Ornish (born July 16, 1953) is president and founder of the nonprofit Preventive Medicine Research Institute in Sausalito, California, as well as Clinical Professor of Medicine at the University of California, San Francisco. , MD, is known for his investigations that use a very lowfat near-vegan diet and other lifestyle changes to reverse heart disease. He has recently turned his attention to the treatment of prostate cancer prostate cancer, cancer originating in the prostate gland. Prostate cancer is the leading malignancy in men in the United States and is second only to lung cancer as a cause of cancer death in men. . Despite the widespread acceptance of plant-based diets, there are still people who question whether a very lowfat vegan diet vegan diet (vē´g  n),n the strictest form of vegetarian diet, which prohibits the consumption of all animal products, including can be nutritionally adequate. Ornish and co-workers recently addressed this question when they studied 39 men whose average age was 65 years and who had been diagnosed with prostate cancer. The men agreed to follow a very lowfat vegan diet, exercise, and participate in a support group. The men also used a fortified fortified (fôrt  ´fīd),adj containing additives more potent than the principal ingredient. soy protein powder daily because of the possible role of soy in inhibiting growth of prostate cancer. After six months, the men's diets were analyzed and found to meet or exceed recommendations for all nutrients except for vitamin D vitamin D Any of a group of fat-soluble alcohols important in calcium metabolism in animals to form strong bones and teeth and prevent rickets and osteoporosis. It is formed by ultraviolet radiation (sunlight) of sterols (see steroid) present in the skin. . The fortified soy protein was the main source of calcium and vitamin [B.sub.12]. These results show that a very lowfat vegan diet can meet recommendations for most nutrients. Dunn-Emke SR, Weidner G, Pettengill EB, et al. 2005. Nutrient adequacy of a very low-fat vegan diet. J Am Diet Assoc 105:1442-46. |
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