Diabetes is a metabolic disease marked by high blood glucose, also known as blood sugar.
Reference Insulin resistance is a condition where the body's cells don't properly respond to the hormone insulin, which tells cells to take in blood sugar and use it for fuel.
Blood sugar, or glucose, is an important source of energy and provides nutrients to your body's organs, muscles and nervous system.
Millions of people are affected by autoimmune diseases. Learn what causes autoimmune diseases and how they're treated.