Earlier this month, the United States Department of Agriculture (USDA) released their first update in five years to the national dietary recommendations. For many physicians and scientists who contributed to the report upon which these guidelines are based, the federally approved guidelines are a watered-down version of the original suggestions because they eliminated such advice as cutting back on red and processed meat, says Dr. Donald Hensrud, MD, medical director of the Mayo Clinic Healthy Living Program a…