New research on “food environments” shows that access to supermarkets, street vendors, marketing, pricing, and even transport options has a powerful impact on everyday eating habits. From urban food deserts to ultra-processed “food swamps”, where people live can either support healthy diets or lock them into cycles of poor nutrition.
How place shapes plates
Studies across cities and rural regions link neighbourhood food access with obesity, diabetes, and micronutrient deficiencies. Communities with fewer full-service grocery stores and more fast-food chains tend to see higher intake of sugary drinks, fried foods, and packaged snacks. In contrast, reliable access to fruits, vegetables, pulses, and whole grains is associated with healthier weight profiles and lower disease risk.
Food environments are also influenced by public transport, walkability, and safety. If reaching a market requires multiple bus changes or feels unsafe after dark, many families default to the closest convenience shop or delivery app. Local policies on zoning, licensing, street vending, and school canteens therefore play a quiet but decisive role in shaping daily menus.
Key highlights
Access matters: Supermarkets, fresh markets, and subsidised outlets make healthier options cheaper and more visible.
Food deserts vs. food swamps: Some areas lack healthy options; others are flooded with junk food advertising and discounts.
Inequality lens: Low-income and marginalised communities are more likely to face unhealthy food environments, deepening health gaps.
Policy levers: Urban planning, taxation on sugary drinks, front-of-pack labels, and support for local farmers’ markets can shift diets.
Personal strategies: Planning weekly purchases, bulk-buying staples, and cooking at home help counter an unhealthy local food scene.
Sources: Global public-health and nutrition research on food environments and diet