Endorphin PAK

Endorphins and enkephalins are inhibitory neurotransmitters that are produced by the brain in response, primarily, to pain and physical exertion. By down-regulating pain signals, they enable us to continue physical activity even in the presence of inflammation or injuries which might otherwise disable us. Heroin, Morphine, Demerol, Methadone, Codeine, Darvon and other opioids all have chemical structures which mimic the effects of the natural painkilling substances (neurotransmitters) produced in the brain.

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