Endocrinology is the branch of medicine concerned with endocrine glands, hormones and metabolic disorders. Endocrinologists have completed two years of subspecialty training (often called a “fellowship”) after their four years of medical school and three years of internal medicine training. An endocrinologist has the additional training to diagnose and treat hormone imbalances as well as problems and the complications that arise from them by helping to restore the normal balance of hormones in the body. Hormones regulate metabolism, respiration, growth, reproduction, sensory perception, and movement.
The common diseases and disorders of the endocrine system that endocrinologists deal with include the following.