A clinical state characterized by an imbalance or dysfunction in the endocrine system that is directly attributable to the aging process. This involves abnormal secretion, action, or metabolism of hormones, leading to symptomatic physiological decline. It is not merely a decrease in hormone levels but a complex disruption of the entire hormonal communication network. Recognizing this dyscrasia is critical for developing targeted restorative therapies.
Origin
The term is derived from Greek: dys meaning “bad” or “difficult,” and krasis meaning “mixture” or “temperament,” traditionally referring to an imbalance of bodily humors. In modern clinical endocrinology, “dyscrasia” denotes a pathological imbalance, and its application here highlights the systemic, detrimental shift in hormonal homeostasis that accompanies advancing age. It places the phenomenon within a framework of clinical pathology.
Mechanism
The underlying mechanism often involves a breakdown in the hypothalamic-pituitary-gonadal (HPG) and hypothalamic-pituitary-adrenal (HPA) axes’ feedback loops. Peripheral target tissues can also exhibit decreased receptor sensitivity, contributing to functional hormone deficiency even with adequate circulating levels. This complex interplay of central and peripheral changes results in a cascade of metabolic and physiological impairments characteristic of aging.
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