Diabetes: Answers from Diabetes Expert Dr. Rita Kalyani

A person with diabetes uses their glucose meter
Dr. Rita Kalyani of the Johns Hopkins Division of Endocrinology, Diabetes and Metabolism clarifies common misconceptions about diabetes—a condition which affects a third of all American adults.

What is diabetes?

Diabetes is a serious disease that occurs when the body cannot maintain normal levels of glucose, an important energy source.

There are two major types: type 1 and type 2 diabetes. People with type 1 diabetes are unable to produce insulin, a hormone that helps the body metabolize glucose. People with type 2 diabetes can still produce insulin early in the disease, but the body doesn’t appropriately respond to its effects.

Gestational diabetes is a type of diabetes that is diagnosed for the first time during pregnancy in women.