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[Correspondence] Associations of fats and carbohydrates with cardiovascular disease and mortality—PURE and simple?

Much has been said on the results from the Prospective Urban Rural Epidemiological (PURE) study by Mahshid Dehghan and colleagues.1 Data from 18 countries are represented, providing a valuable contribution to the body of prospective observational evidence. PURE is not the largest, most comprehensive, or longest running cohort study; however, the diverse sampling method is a valuable addition to nutrition epidemiology, should the PURE data be found usable.