Analyzing, examining, and investigating patients and their medical histories for signs and symptoms of hormonal imbalances. Advising, ordering, and performing tests and interpreting the result. Endocrinology is the study of the endocrine system in the human body. This is a system of glands which secrete hormones....
You may call them simply doctors. But most doctors have extra expertise in one type of medicine or another. In fact, there are several hundred medical specialties and subspecialties. Here are the most common types of doctors you'll likely see.