CHICAGO: For far too long, the mainstream has focused on dietary advice that pushes low-fat and plant-based foods… advice that excludes entire and essential food groups. Following these skewed guidelines means your diet lacks essential nutrients that are found in foods like red meat, including conjugated linoleic acid (CLA), iron, stearic acid, protein, zinc, vitamins B & A, EPA omega-3 fatty acids and a natural di-peptide called carnosine, said…