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Previous studies have indicated increased immunoreactivity of the endogenous opioid peptide beta-endorphin in the cerebrospinal fluid (CSF) of infants under 2 years of age with apnea. To assess the role of endogenous opioids in the pathogenesis of…
Autism is a collection of disorders or subtypes with distinctive or prominent phenotypes and genotypes. The study of adults with autism offers a unique opportunity to examine its phenotypic diversity. Recent evidence has identified disturbances in…
The opiate hypothesis maintains that patients engage in self-injurious behavior (SIB) either because they are partially analgesic (pathologically altered pain threshold) or because SIB supplies a "fix" for an addicted endogenous opiate system. The…
