Trends in diabetes incidence worldwide: Are the findings real?

Over the last two decades, the World Health Organisation and the International Diabetes Federation have used prevalence of diabetes from cross-sectional surveys to report the progress of the diabetes “epidemic”. In epidemiologic parlance, an epidemic (from Greek epi, upon, + demos, people) is a disease that appears as new cases in a given population, during a given period, at a rate that substantially exceeds what is "expected", based on recent...