• “Approximately 50 percent of Americans have some form of insulin resistance, according to Dr. Robert Lustig, professor of pediatric endocrinology at the University of California, San Francisco.5 That percentage is even higher in adults older than forty-five. “In contrast to popular false beliefs, weight loss and health should not be a constant battle uphill through calorie restriction, which simply doesn’t work,” says Dr. Andreas Eenfeldt”