Type 2 diabetes mellitus is the most common form of diabetes (90% of cases) and is typical of adulthood. In 80% of cases the patient is obese, although unfortunately it is increasingly seen in overweight young people as well.
It is characterized by a deficit in insulin secretion associated with tissue resistance to insulin (insulin resistance), resulting in elevated blood glucose (hyperglycemia).
An estimated 1 million Italians have type 2 diabetes mellitus without knowing it.
Causes
There is a genetic susceptibility, but the disease is strongly precipitated by environmental factors such as obesity, high caloric intake and sedentary lifestyle.
Prevention and treatment
There are still no methods to prevent the onset of type 1 diabetes mellitus, whereas a healthy diet and physical exercise reduce the risk of type 2 diabetes mellitus by 60%.
Insulin replacement therapy is essential for the survival of patients with type 1 diabetes mellitus, who must learn to regulate carbohydrate intake to keep blood glucose levels under control.
For type 2 diabetes mellitus there are several classes of drugs that regulate blood glucose, but the first therapeutic step involves lifestyle: eating correctly, reaching a healthy weight and limiting sedentary behavior (which worsens insulin resistance).