Although all types of diabetes affect how the body uses blood sugar, the exact causes and mechanisms of the different types of diabetes vary.
Type 1 diabetes
Type 1 diabetes, previously known as juvenile diabetes, occurs when the pancreas is unable to produce insulin. Type 1 diabetes is usually diagnosed in people under the age of 20, but can occur at any age.
Type 2 diabetes
Type 2 diabetes occurs when the body does not secrete enough insulin. Type 2 diabetes is the most common type of diabetes and affects 90-95% of diabetics.
Type 1.5: LADA
Latent autoimmune diabetes of adults, or LADA, is often referred to as type 1.5 diabetes. As with type 1 diabetes, LADA is an autoimmune disorder in which the body destroys the beta cells in the pancreas that produce insulin. LADA may also be referred to as slow-onset type 1 diabetes or late-onset autoimmune diabetes of adults.
Gestational diabetes is a type of diabetes that occurs during pregnancy, though this condition is often reversible.
Prediabetes is a condition in which blood sugar is higher than normal, but not high enough to qualify as diabetes. Early diagnosis of prediabetes may help prevent type 2 diabetes.