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Diabetes Basics

  • woman eating an apple, older couple riding bikes, a nurse weighing a man

Diabetes is a chronic (long-lasting) disease that affects how your body turns food into energy. There are three main types of diabetes: type 1, type 2, and gestational diabetes (diabetes while pregnant). More than 100 million Americans are living with diabetes (30.3 million) or prediabetes (84.1 million).

  • Page last reviewed: July 20, 2017
  • Page last updated: July 20, 2017
  • Content source:
  • Maintained By:
    • National Center for Chronic Disease Prevention and Health Promotion, Division of Diabetes Translation
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