Douglas A. Drossman, MD & Johannah Ruddy, M.Ed.
Dr. Douglas Drossman is a renowned gastroenterologist who has dedicated his career to expanding the knowledge around disorders of Gut-Brain Interaction (DGBIs). Co-author, Johannah Ruddy, is a patient advocate who spent over a decade seeking diagnosis for her DGBI. Dr. Drossman is her physician and she has spent her career helping other patients ad....
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Dr. Douglas Drossman is a renowned gastroenterologist who has dedicated his career to expanding the knowledge around disorders of Gut-Brain Interaction (DGBIs). Co-author, Johannah Ruddy, is a patient advocate who spent over a decade seeking diagnosis for her DGBI. Dr. Drossman is her physician and she has spent her career helping other patients advocate for themselves in the doctor's office.
