This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Physiology
[{'content': 'Which hormone increases with age? \nSelect and explain. \nA. GH, B. Prolactin, C. Parathormone, D. Insiilfn', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Parathyroid hormone (PTH), also called parathormone or parathyrin, is a hormone secreted by the parathyroid glands that are impoant in bone remodeling, which is an ongoing process in which bone tissue is alternately resorbed and rebuilt over time.Ref: Ganong&;s review of medical physiology: 24th', 'role': 'assistant'}]