Final answer:
An endocrinologist is a doctor who specializes in diagnosing and treating endocrine system disorders. They manage conditions such as diabetes mellitus and thyroid diseases and may also conduct research to develop new treatments.
Step-by-step explanation:
A physician who specializes in the medical practice of studying and treating the diseases and disorders of the body system associated with the secretion of hormones within or into the blood is known as an endocrinologist. Endocrinology is the field in medicine that involves the treatment of endocrine system disorders and the management of diseases such as diabetes mellitus, acromegaly, and thyroid-related conditions like Graves' disease. An endocrine surgeon, on the other hand, provides the surgical treatment of these diseases.
Patients may see an endocrinologist for symptoms or blood test results that suggest an endocrine disorder. Treatment can range from lifestyle changes for diseases like type 2 diabetes to medication or hormone replacement for issues with the pituitary or thyroid glands. Additionally, endocrinologists may engage in research to advance understanding and treatment of endocrine system disorders.