This adapted clinical practice guideline (CPG) for Ireland joins Obesity Canada (OC) and the Canadian Association of Bariatric Physicians and Surgeons (CABPS) [1], the World Health Organisation [2], the European Association for the Study of Obesity [3], the European Commission [4, 5], the American Medical Association [6], the Obesity Society [7] and the World Obesity Federation [8] in defining obesity as a complex chronic disease in which excess or dysfunctional adiposity impairs health [9].
