What hope is there  There's not, at least not in the short term on a society-wide scale. We already know that obesity is harmful to health and that a myriad of preventable, often life-threatening illnesses (which, coincidentally, happen to be a lot of the leading causes of death...) but you have people denying the science behind it or just plain old not giving a shit about what's going to happen. The only "hope" is to keep you and yours from turning into fats, or, at a societal level, hope that eventually obesity and the obese are viewed with the same level of disdain as tobacco is now.