food restaurants in Chicago cluster themselves within a short walking distance of schools. Writing in the American Journal of Public Health, the researchers found the nearest fast-food restaurant was 0.3 miles (half a km) away from half the city's schools, or just over a 5-minute walk. Seventy-eight percent of schools had at least one fast-food restaurant within half a mile (just under 1 km). --more 2351 Local Time 2051 GMT