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Serum copper concentrations were determined by atomic absorption spectrophotometry in 102 schizophrenic patients and 95 healthy control subjects. The serum copper concentrations were significantly higher in the schizophrenic patients than in the normal control subjects. The average serum copper in schizophrenic females was higher than in schizophrenic males, but the difference was not statistically significant.

An abstract entitled "The Nyctohemeral Rhythm of Plasma Cortisol in Mental Illness in Nigerians by B. Kwaku Adadevoh and Tolani Asuni is presented. This focuses on the assessment study to clarify conflicting data on adrenocortical function in mental illness, as well as replicate results with plasma cortisol measurements. Findings of the study are posted highlighting that the failures to replicate results was due to differences resulting from adjustments arising in chronic mental illnesses.