Low-dose naltrexone (LDN): Tricking the body to heal itself

Researchers have discovered the mechanism by which a low dose of the opioid antagonist naltrexone (LDN) can suppress cell proliferative-related disorders such as cancer and autoimmune diseases. LDN causes a compensatory increase in an endogenous opioid, the opioid growth factor (OGF, [Met5]-enkephalin), and the OGF receptor (OGFr).

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