Share this article Share this article CHAPEL HILL, N.C., Dec. 21, 2020 /PRNewswire/ -- Millions of Americans who struggle with frustrating gastrointestinal disorders without ever getting treatment or a diagnosis can now tap into guidance and advice from a world-renowned medical expert and one of the nation's leading voices for patient advocacy. Dr. Douglas Drossman, an award-winning gastroenterology researcher, and treatment innovator, has co-authored the new book, Gut Feelings: Disorders of Gut-Brain Interaction (DGBI) and the Patient-Doctor Relationship, with a patient advocate, Johannah R...