PUBHLTH 120 Lecture Notes - Lecture 9: Food Desert, Health Promotion, Whole Grain
Document Summary
Chapter 4: the food environment and prepared foods. Many changes in the food environment in the us: includes environmental and structural factors that affect food choice, includes food availability, accessibility, and affordability. Available foods: foods that can be purchased for home consumption, prepared foods (foods away from home) Food environment is a target for nutrition interventions for health promotion. Food deserts: areas where residents have inadequate access to nutritious foods, no set physical distance. Rural food desert: in rural food deserts where the population is less dense, the average distance to the supermarket is greater than in urban areas. Drivable measure for rural areas w/ food desert. Walkable measure for urban areas w/ food desert: urban areas: public transportation, rural areas: personal transportation, also more based on farming own food; seasonal & unreliable, urban areas have more robust food environments. Food swamps: more accurately describes area lacking access to healthy foods, overnutrition from energy dense foods (fast-foods)