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endorphin
endorphin Endorphin here refers to an endogenous opioid, especially β-endorphin, a substance made in parts of the brain and pituitary that acts on mu opioid receptors.
Endorphin here refers to an endogenous opioid, especially β-endorphin, a substance made in parts of the brain and pituitary that acts on mu opioid receptors. It helps regulate mood, stress responses, and emotional functioning, and lower activity has been proposed as contributing to symptoms such as reduced pleasure and emotional blunting in depression.