“Examining the Impact of Food Deserts on Public Health in Chicago” demonstrates that where you live makes a real difference to where you can buy food and, indirectly, the quality of that food. The report explains exactly how opportunities and risks vary by neighborhood. But it doesn’t stop there. It also shows important differences between neighborhoods in the “balance” of grocery stores to fast food outlets. That there are large differences in the nutritional choices available between grocery stores and fast food outlets is well known, but what was not known before this report is that for some neighborhoods the balance swings far to the fast food side.