
While the 5.5 percent drop may seem slight, [the city's health commissioner] said, “What’s impressive is the fact that it’s falling at all.”
The declines were sharpest among white and Asian children, middle-class children, and younger children (like, Kindergarten).
Credit is being given to negative advertising campaigns against soda, healthier school-lunch options, and restrictions on what's available in school vending-machines, though the study was careful to say that a causal relationship between these factors and the declining obesity rate "cannot be inferred."