The mirage of the food desert.

For example, on the margin, adding one full-service supermarket within a one-mile radius of your house is associated with an average BMI decrease in your neighborhood of .115.  That is a difference of just one pound… So there is really no relationship, according to this one recent study of nearly 100,000 Californians, between the distance between your body and a full-service supermarket or any other kind of food store, and whether or not you are obese.

via The Problem of “Food Deserts” is Not all About Access.