The endocrinologist is a doctor who specializes in hormones with internal secretion. He is therefore able to assess the functioning of the hormonal system, and to treat the disorders that an imbalance can cause, as vast as these disorders may be. In fact, hormones control the entire functioning of the body, thanks to their transport by the bloodstream. The endocrinologist will therefore check the proper functioning of these regulatory systems, the quantity of these hormones and treat any pathologies linked to a hormonal imbalance. Given the complexity of the hormonal system, endocrinology is involved at many levels: digestive, sexual, nutritional, dermatological, etc.