Sadly, looks like a significant number of the criteria were based on good (i.e. tasty) food, and not the available of healthful options. They did look at the healthy stuff - there's just a mix of other stuff too.

Does the city have critically acclaimed food professionals? Source: James Beard-nominated restaurants
How do its restaurants rate? Source: Zagat Survey
Is organic dining a part of the local dining scene? Source: LocalHarvest.org
How many chefs work in the city? Source: Bureau of Labor Statistics (BLS)
Do they earn more than a living wage? Source: BLS
How many farmers' markets does the city have? Source: U.S. Department of Agriculture Farmer's Markets Directory; LocalHarvest.org
Do residents make use of fresh produce? Source: CDC's Behavioral Risk Factor Surveillance System (BRFSS)
Are gourmet ingredients available via national chains? Source: Trader Joe's and Whole Foods locations
Are residents in good health? Source: BRFSS
What are the cities with the lowest rates of diabetes? Source: CDC and BRFSS
What are the cities where residents maintain healthy weights? Source: CDC and BRFSS
How important is exercise to the city's residents? Source: CDC and BRFSS
How much green space does the city provide, and is it well maintained? Source: The Trust for Public Land
Is the city easy to explore on foot? Source: American Podiatric Association


Sadly, I've not had an opportunity to live in any of these - though I've had the pleasure of visiting a few.

CA