title: Existence of 'food deserts' questioned.
mesh_terms: D000293:Adolescent; D002140:California; D002648:Child; D002675:Child, Preschool; D003132:Commerce / Q000639:trends; D004032:Diet / Q000639:trends; D057140:Fast Foods; D005247:Feeding Behavior; D058870:Food, Organic / Q000600:supply & distribution*; D006306:Health Surveys; D006801:Humans; D009752:Nutritional Status; D009765:Obesity / Q000517:prevention & control; D012111:Residence Characteristics; D012147:Restaurants / Q000592:standards; D012574:Schools; D012931:Social Environment; D013334:Students; D011795:Surveys and Questionnaires; D014481:United States