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The exact cause of most types of diabetes is unknown. In all cases, sugar builds up in the bloodstream. This is because the pancreas doesn't produce enough insulin.
High blood sugar levels are the main problem in diabetes. Learn about lifestyle changes to lower the risk and treatments to manage type 2 diabetes.
Insulin is a hormone the body uses to allow sugar (glucose) to enter cells to produce energy. Different factors, such as genetics and some viruses, may cause type 1 diabetes. Although type 1 diabetes usually appears during childhood or adolescence, it can develop in adults.
But without lifestyle changes, adults and children with prediabetes are at high risk to develop type 2 diabetes. If you have prediabetes, the long-term damage of diabetes — especially to your heart, blood vessels and kidneys — may already be starting.
Latent autoimmune diabetes in adults (LADA) is a type of diabetes that starts in adulthood and slowly gets worse over time. Like type 1 diabetes, LADA happens when the pancreas stops making insulin. That's usually because an autoimmune process is damaging cells in the pancreas.
In people who have diabetes, glucose tends to build up in the bloodstream. This condition is called hyperglycemia. It may reach dangerously high levels if it is not treated properly. Insulin and other drugs are used to lower blood sugar levels.
Symptoms of diabetes insipidus in adults include: Being very thirsty, often with a preference for cold water. Making large amounts of pale urine. Getting up to urinate and drink water often during the night. Adults typically urinate an average of 1 to 3 quarts (about 1 to 3 liters) a day.
High blood sugar levels are the main problem in diabetes. Learn about lifestyle changes to lower the risk and treatments to manage type 2 diabetes.
The exact cause of type 1 diabetes is unknown. But in most people with type 1 diabetes, the body's immune system — which normally fights harmful bacteria and viruses — mistakenly destroys insulin-producing (islet) cells in the pancreas.
Hypoglycemia is a condition in which your blood sugar (glucose) level is lower than the standard range. Glucose is your body's main energy source. Hypoglycemia is often related to diabetes treatment. But other drugs and a variety of conditions — many rare — can cause low blood sugar in people who don't have diabetes.