A group of diseases that result in too much sugar in the blood (high blood glucose).
Most common types
Type 2 diabetes: A chronic condition that affects the way the body processes blood sugar (glucose).
Type 1 diabetes: A chronic condition in which the pancreas produces little or no insulin.
Prediabetes: A condition in which blood sugar is high, but not high enough to be type 2 diabetes.
Gestational diabetes: A form of high blood sugar affecting pregnant women.