So many statistics, so little time. NYC DOH publishes the 2015 health profile of CB8

I think that the lack of supermarkets really effects more of eastern CH and probably PH. The Crown Heights North area (let's say from Franklin to Kingston Ave) has: Compare Foods near Franklin, Met Foods and Key Foods on Nostrand, and Super Foodtown on Fulton Street, in addition to many greengrocers and decent small markets/bodegas.