America's Trusted Digestive Nutrition Expert reveals the many causes of irregularity, with tailored solutions for a dozen common--and some lesser-known--issues, including Irritable Bowel Syndrome (IBS), Pelvic Floor Dysfunction, Malabsorption, Inflammatory Bowel Disease (IBD) and Histamine Intolerance. Belly bloat, diarrhea, constipation, and irritable bowels may not seem like the sexiest topics--but they still affect millions of Americans...