Dr. John Douillard, a former NBA nutrition expert and creator of LifeSpa.com, and author of six health books, addresses the underlying cause of the gluten-free epidemic. explains how a breakdown in digestion has damaged the intestinal wall and leaked undigested foods and environmental toxins into the body’s lymphatic system, causing “grain brain” symptoms and food allergies. Although eliminating wheat and dairy from your diet may help your symptoms, it is a a temporary solution. addresses the root cause: the inability to digest well and break down harmful pollutants and toxins that can lead to more serious health concerns. Backed by more than 600 scientific studies, is a revolutionary guidebook to regaining your digestive strength. will: