Published in Women's Health Weekly, May 12th, 1997
In addition to being essential to responses to pain and the euphoria from drugs such as morphine, codeine, and heroin, the mu opioid receptor, the cellular target of these drugs, also appears to be involved in regulating the immune and reproductive systems.
Researchers at the Indiana University School of Medicine have shown that, in addition to failing to respond to narcotic drugs like morphine, mice missing the gene for the mu opioid receptor also show reduced sexual and reproductive function and altered immune...
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