Is diabetes a hereditary disease?

Diabetes is caused by a number of factors. Today, the accepted notion is that diabetes 1 is an autoimmune disease in which gradually, but progressively are declining pancreatic beta-cells that secrete insulin. Preference for an autoimmune reaction is hereditary, but the disease occurs in the presence of some factors in the environment.

Identical twins are genetically completely identical. If diabetes is a hereditary disease only, when one twin is ill, it is necessary that the other one gets sick too, and this happens only in approximately 30% of cases. That tells us about the importance of environment in the etiology of diabetes. Autoimmune reaction is triggered by different and yet not sufficiently defined factors from the environment. It is often difficult to pinpoint them (viral, nutritional, drug, etc.), but nothing changes in the way of treatment or prognosis.

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