Muscle catabolism is a mainly induced phenomenon: from malnutrition (as happens in the Third World or in the case of eating disorders – DCA) from alcoholism from some chronic diseases from sports practice NOT correctly supported by nutrition. NB . the presence of over-training can also contribute . In some EXCESSIVELY protracted and/or intense sporting performances ( marathon , race walk, triathlon-iron man, cycling tour , etc.) muscle catabolism (usually…
Calcitonin
General provisions Calcitonin is a polypeptide hormone secreted by the parafollicular cells (C-cells) of the thyroid gland. Together with parathyroid hormone and calcitriol (activated vitamin D), calcitonin is essential for calcium and phosphorus ion homeostasis. This hormone acts at the level of bone and kidney, performing functions that are in many ways opposite to those…