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': 'Exercise is also prescribed as an adjuvant treatment for depression. Most probably act by \nSelect and explain. \nA. Increasing pulse pressure, B. Improving hemodynamics, C. Raising endorphin levels, D. Inducing good sleep', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Endorphins ("endogenous morphine") are endogenous opioid peptides that function as neurotransmitters. They are produced by the pituitary gland and the hypothalamus in veebrates during exercise, excitement, pain, consumption of spicy food, love and orgasm, and they resemble the opiates in their abilities to produce analgesia and a feeling of well-being.Ref: Ganong&;s review of medical physiology; 24th edition', 'role': 'assistant'}]