The Brain's Role in Erection #youtubeshorts #trending #viral #brain #dopamine #menshealth #ed
Short YouTube clip (created/uploaded by Anne Truong MD) that explains a simple neurovascular mechanism: dopamine released from the hypothalamus initiates a neural signal passed down the spinal cord to penile nerves, causing penile smooth-muscle relaxation which permits blood inflow and results in an erection. The clip focuses on dopamine as the trigger and a causal chain from brain to penis.
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