Endocrine disorders can sometimes be difficult to diagnose and treat. Problems with the pituitary gland interrupt menstruation, metabolism, bone growth, and many other processes; the pituitary -- or master gland -- strongly affects on the rest of the endocrine system. Diabetes is a well-known illness related to damage or poor function of the pancreas. Disorders of the ovaries or testes interfere with reproduction and cause abnormal testosterone, estrogen, and progesterone levels. A disorder in any of the endocrine glands may be serious because these glands control or influence almost every process in the body.

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