Type 1 diabetes usually begins in childhood, and type 2 diabetes typically begins in adulthood. Type 2 diabetes is becoming more common due to the growing number of older Americans and an increasing trend toward obesity and a sedentary lifestyle. Without proper management of diabetes, long-term health risks such as heart disease, stroke, and kidney failure can occur.
Review Date 1/1/2020
Updated by: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.