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