The Lancet has just published a four-part series on the global obesity pandemic. The series "critically examines what we know about the global obesity pandemic: its drivers, its economic and health burden, the physiology behind weight control and maintenance, and what science tells us about the kind of actions that are needed to change our obesogenic environment and reverse the current tsunami of risk factors for chronic diseases in future generations."
You will have to register to read the articles, but registration is free(and simple). (Food Politics)