The naturally thin often have a hard time understanding the struggles of the very many who battle with overweight and obesity. Why is losing weight -- and especially keeping it off -- so very hard? What is it that drives us to obesity, and what can we do about it? And why has obesity spread like an epidemic in the last few decades?
A new article in Obesity Reviews explains that obesity is caused by two distinctive mechanisms, and understanding these different causes might help with targeting a more tailored solution.