Decoding the Pain Pathway: What are the 4 Opioid Receptors?
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4 min read
Opioid receptors were first identified in the brain in the 1970s, revolutionizing our understanding of pain and addiction. This knowledge is fundamental to grasping **what are the 4 opioid receptors** and how they modulate a wide spectrum of physiological responses, from powerful analgesia and euphoria to stress and anxiety.
