In a special piece written by Arya Sharma, a professor of medicine and chair for obesity research and management at the University of Alberta, he writes: "Obesity is a disease that , like diabetes, heart disease or cancer, has a complex causation (genetic, physiological, lifestyle, environmental etc.).  The underlying causes and paths to obesity are manifold - no one is immune."Please login to view the full content of the post. If you are a new user please register or contact the bellaSavio Community Manager for more information.