Paul was a true pioneer and master of the field of functional gastrointestinal disorders and dedicated much of his career to caring for children suffering from such conditions. A great family man, friend, colleague, mentor and inspiration to so many. Hyperalgesia An abnormally heightened sensitivity to pain.

Elimination diets are growing in popularity and are increasingly utilized for gastrointestinal conditions including celiac disease, 1 eosinophilic esophagitis (EoE), 2 inflammatory bowel disease (IBD), 3 and more recently, for disorders of gut-brain interaction (DGBIs), formerly known as functional gastrointestinal disorders. 4 A large number of patients with DGBIs, including irritable bowel syndrome (IBS), change eating habits based on specific beliefs about how food impacts symptoms, especially during episodes of heightened symptoms. [5][6][7] Upward of 60% of patients with gastrointestinal disorders eat a restrictive diet. 8 The literature on the benefits of elimination diet therapies is growing. 9 However, the way diets are implemented in clinical trials is not always how they are implemented