The average life expectancy of all Americans has continuously increased over the past few generations for a number of reasons, including advances in nutrition, hygiene and medical care. But there are significant disparities within the population, which seem to be linked to social, economic and – as it turns out – educational differences, the Seattle PI reports. According to a new study by the University of Wisconsin Population Health Institute, sponsored by the Robert Wood Johnson Foundation, there could be a direct correlation between a person’s education and the number of years he or she can hope to live. For this study, researchers analyzed over 3,000 counties nationwide and ranked them within their respective states by a number of diverse measures, including access to quality healthcare, obesity rates, tobacco sales, unemployment, environmental pollution, crime rates, even the density of fast food outlets. The significance of education levels stood out…

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