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News From the Centers for Disease Control and Prevention
July 9, 2019

Diabetes Incidence Decreases

JAMA. 2019;322(2):108. doi:10.1001/jama.2019.8668

The number of people newly diagnosed with diabetes decreased substantially between 2009 and 2017, while the number of people living with the disease in the United States has leveled off, according to a study by CDC scientists published in British Medical Journals Open Diabetes Care and Research.

The prevalence of type 1 and type 2 diabetes combined increased from 3.4 per 100 US adults in 1990 to a peak of 8.2 per 100 US adults in 2009. Increased obesity, changes in the amount and quality of dietary food and reduced physical activity may have contributed to this trend, according to the authors of the new study. Based on data from the National Health Interview Survey, their findings suggest that the prevalence plateaued thereafter, holding at 8 per 100 adults in 2017. The number of newly diagnosed cases of diabetes decreased from about 1.7 million cases per year in 2008 to about 1.3 million cases per year in 2017. Although the patient-reported data do not distinguish between type 1 and type 2 diabetes, over 90% of diabetes diagnoses in the United States are type 2.