Sex Disparities in Risk of Mortality Among Children With ESRD

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Serum zinc and copper levels in healthy South African women at term and during the first year after childbirth

Serum zinc and copper levels were measured longitudinally in 55 healthy middle and upper socio-economic group white mothers living in Cape Town from the birth of the baby to 12 months after parturition. Mean maternal serum zinc levels showed a significant rise (P less than 0.05) from delivery (66.34 +/- 21.07 micrograms/100 ml) to 12 weeks (87.88 +/- 15.93 micrograms/100 ml), but no further changes were detected at 24, 36 and 52 weeks after parturition. The mean maternal serum copper levels decreased from 217.73 +/- 64.34 micrograms/100 ml at delivery to 141.65 +/- 45.60 micrograms/100 ml at 12 weeks (P less than 0.05); they remained constant at all the other sampling periods. No differences (P greater than 0.05) were noted at all the different sampling periods between mean serum zinc levels of primiparous and multiparous mothers, but mean serum copper levels were significantly higher (P less than 0.05) in the primiparas. The mean serum zinc and copper levels of healthy white South African mothers at delivery and 12 months after parturition correspond with those for Northern American mothers. Normal non-pregnant adult serum zinc and copper levels were attained within 12 weeks of delivery.     

Suicide in deaf populations: a literature review

Background  

Studies have found that deaf individuals have higher rates of psychiatric disorder than those who are hearing, while at the same time encountering difficulties in accessing mental health services. These factors might increase the risk of suicide. However, the burden of suicidal behaviour in deaf people is currently unknown.