In this week’s Medical Discovery News with UTMB’s David Niesel and Norbert Herzog: Americans don’t lack methods of dieting — South Beach, Atkins, Weight Watchers, Nutrisystem, Slim Fast, detoxing, juice cleanses — but not all are healthy. With public health organizations and the media constantly remarking on the obesity epidemic in the United States, new studies on approaches to start and maintain weight loss couldn’t come at a better time. The column also appears in the Galveston County Daily News.