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Endocrinology is the study of medicine that relates to the endocrine system, which is the system that controls hormones. An endocrinologist will deal with diseases that are caused by problems with hormones. Endocrine system is a series of glands that produce and secrete hormones that the body uses for a wide range of functions. These control many different bodily functions, including:

  • Respiration
  • Metabolism
  • Reproduction
  • Sensory perception
  • Movement
  • Sexual development
  • Growth

Hormones are produced by glands and sent into the bloodstream to the various tissues in the body. They send signals to those tissues to tell them what they are supposed to do. When the glands do not produce the right amount of hormones, diseases develop that can affect many aspects of life.

Endocrinology is focused on the care and treatment of endocrine diseases. These fall into three categories, which are:

  • Tumors: Tumors in the glands, whether cancerous or benign, can cause hormone balance problems.
  • Gland hypersecretion: Occurs when a gland secretes too much of the hormone it is designed to create.
  • Gland hyposecretion: Diseases caused when the body has a deficiency of a certain hormone due to the glands secreting too little of it.