In Lula, a family living in a remote farmhouse might have to drive more than 10 miles to get to the nearest grocery store. Meanwhile in Gainesville, families living half a mile from the nearest grocery store can’t afford the vehicle to get there. These two factors — low income and limited access — are two major facets of what the United States Department of Agriculture calls “food deserts,” where limited access to supermarkets, grocery stores or other sources of healthy, affordable food make it harder for Americans to eat a balanced diet.