City of Preston, Lancashire City of Preston, Lancashire The City of Preston () is a city and non-metropolitan district in Lancashire, England. On the north bank of the River Ribble, it was granted city status in 2002, becoming England's 50th city in the 50th year of Queen Elizabeth II's reign. The City of Preston district has a population of (), and lies at the centre of the Central Lancashire sub-region, with a population of 335,000. The district, formerly known as the Borough of Preston, is named after the urban settlement of Preston which lies in the south of the district, and also contains nine
Preston curve with health and life expectancy this is a difficult task. Some research suggests that in low and middle-income countries, the causality does indeed go from income to health, while the opposite is true for rich countries. Preston curve The Preston curve is an empirical cross-sectional relationship between life expectancy and real per capita income. It is named after Samuel H. Preston who first described it in 1975. Preston studied the relationship for the 1900s, 1930s and the 1960s and found it held for each of the three decades. More recent work has updated this research. The Preston curve indicates that