Barbara Ryan: consultant gastroenterologist at Tallaght University Hospital in Dublin, Ireland, and a professor of gastroenterology at Trinity College, Dublin. Leading clinical expert: over 100 publications in peer-reviewed scientific journals, more than 250 abstracts presented at scientific meetings, articles for women's magazines, for health supplements in national newspapers. She has treated well over 40, 000 patients with every type of digestive disease and complaint.
Elaine McGowan Ireland's leading private healthcare dietitian and clinical nutritionist. With almost 3 decades' experience specializing in diet and digestive conditions, she has worked with over 30, 000 private patients in her clinics in Dublin, Limerick and Clare. She has written articles for the Irish Independent newspaper and she has shared her experience in TV appearances on RTE, the Irish national television network, on shows such as 'Don't Drop Dead Yet', 'You Should Really See a Doctor' and 'Head to Toe'.