Type 2 diabetes
Type 2 diabetes occurs when the body doesn't produce enough insulin to function properly, or the body's cells don't react to insulin. This means glucose stays in the blood and isn't used as fuel for energy.
Read about the symptom of diabetes, including feeling very thirsty, passing more urine than usual, and feeling tired all the time.
Read about the causes of type 2 diabetes, which occurs when the pancreas doesn't produce enough insulin to maintain a normal blood glucose level, or the body is unable to use the insulin that is produced.
Read about treating type 2 diabetes. Find out how to keep your blood glucose levels as normal as possible by making lifestyle changes, such as eating more healthily and taking more exercise.
Read about complications of type 2 diabetes. Without treatment, it can lead to a number of other health problems. High glucose levels can damage blood vessels, nerves and organs.
Read about living with type 2 diabetes. If you have type 2 diabetes, you'll need to look after your health very carefully.
After his victory at the 2000 Sydney Olympics, Sir Steve Redgrave became the only British athlete ever to win five consecutive Olympic gold medals.
Clare Mehmet, a 58-year-old retired telecommunications interpreter, found out by chance that she had type 2 diabetes 10 years ago.
When Charles Torkington, 54, was diagnosed with diabetes, it gave him the determination to change his diet and his life.