
Diabetes - Symptoms and causes - Mayo Clinic
Jan 21, 2026 · Diabetes mellitus refers to a group of diseases that affect how the body uses blood sugar (glucose). Glucose is an important source of energy for the cells that make up the muscles and …
Diabetes: What It Is, Causes, Symptoms, Treatment & Types
What is diabetes? Diabetes is a condition that happens when your blood sugar (glucose) is too high. It develops when your pancreas doesn’t make enough insulin or any at all, or when your body isn’t …
Diabetes Basics | Diabetes | CDC
Jan 2, 2026 · With diabetes, your body doesn't make enough insulin or can't use it as well as it should. When there isn't enough insulin or cells stop responding to insulin, too much blood sugar stays in …
What Is Diabetes? - NIDDK
Diabetes occurs when your blood glucose is too high, which can lead to health problems. The main types of diabetes are type 1, type 2, and gestational.
Diabetes - Wikipedia
Type 1 diabetes is an autoimmune condition in which the body's immune system attacks the beta cells (β-cell) in the pancreas, preventing the production of insulin. This condition typically is present from …
Diabetes Research, Education, Advocacy | ADA
Understanding your risk and taking early action are key steps for diabetes prevention. Explore expert-backed tools and programs to help you lower your risk for type 2 diabetes.
Diabetes - World Health Organization (WHO)
Nov 14, 2024 · Diabetes factsheet from WHO providing key facts and information on types of diabetes, symptoms, common consequences, economic impact, diagnosis and treatment, WHO response.
Diabetes mellitus overview - Harvard Health
Feb 4, 2026 · What is it? Diabetes mellitus is a condition defined by persistently high levels of sugar (glucose) in the blood. There are several types of diabetes. The two most common are called type 1 …
Type 2 Diabetes - MedlinePlus
Feb 3, 2025 · Diabetes is a chronic health condition in which your blood glucose levels are too high. There is no cure, but diet, exercise, medications, and weight control can help.
Diabetes: Symptoms, Causes, Treatment, Prevention, and More
Aug 5, 2025 · Find out everything you need to know about diabetes here, including types, symptoms, causes, and risk factors.