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Because of the increasing prevalence of type 2 diabetes, prediabetes, and obesity in the U.S., the USPSTF has updated its 2015 guideline on screening for prediabetes and type 2 diabetes (Ann Intern Med 2015; 163:861).
The Task Force found moderate-certainty evidence that screening is beneficial for nonpregnant adults (age range, 35–70) who are overweight (i.e., body-mass index [BMI], ≥25 kg/m2) or obese (BMI, ≥30 kg/m2) and have no symptoms of diabetes. Referring patients for, or directly providing, effective preventive interventions is recommended (B recommendation).
Screening can begin at even earlier ages in patient populations at markedly higher …