The new study in Public Health Nutrition reminds us that in developing countries, sugar intake continues to rise. Therefore, the developing world needs policies that limit added sugars, hopefully before the train leaves the station.

Efforts aimed at obesity prevention are well underway, but we are still a nation very uncomfortable with paying for services that could help treat the two-thirds of Americans who carry excess weight.

Too often when we talk about this nation's obesity crisis, we talk about it as an overwhelming, seemingly unsolvable problem. With 1 in 3 American children overweight or obese, the issue is an urgent one, but as one American city is showing us, a solution is possible.

At what point do we as American adults say that enough is enough?

Increasingly, evidence suggests that obesity-prevention measures need to be taken earlier, in infancy or even before birth....