نتایج جستجو برای: lead mothers
تعداد نتایج: 391043 فیلتر نتایج به سال:
this study aims to investigate value conflicts between mothers and their daughters among families and influential factors on this conflict in yazd city. this study adopted a survey method and a questionnaire was used that its validity through construct validity (factor analysis) and its reliability by cronbach alpha were measured. the population of this study consists of all yazdian families th...
it is obvious that lead intake is of concern not for its beneficial/essential effects on metabolism, but rather for its toxic actions, which can be especially damaging to children. the objective of this study was to analyze the concentration of lead in milk of mothers during prolonged lactation. milk samples from 43 mothers were collected at 2 months postpartum. lead was analyzed using atomic a...
the study aims to achieve research and testing of hypotheses survey techniques and questionnaires to collect information used. 61 questions in the questionnaire included 15 questions and 46 open questions according to research in the study population, girls and their mothers as the value of different children investment should be. mothers according to the research community benefits from havi...
Background: Lead poisoning has proven to be one of the most important environmental health problems among developing countries with both direct and indirect effects on human life. Lead is known to cross the blood-brain barrier and placenta, and accumulates in soft and hard tissues. Lead can be excreted in urine, stool, milk, sweat, nails and saliva. During pregnancy and lactation, lead is relea...
OBJECTIVES Widespread use of heavy metal lead (Pb) for various commercial purposes has resulted in the environmental contamination caused by this metal. The studies have shown a definite relationship between low level lead exposure during early brain development and deficit in children's cognitive functions. This study investigated the passive avoidance learning and spatial learning in male rat...
The lead exposure of children and their mothers has been studied in two towns with mean soil lead contents of 900 and 400 ppm. No significant difference in blood or fecal lead contents was demonstrated between the two populations, but a small difference in hair lead content was shown. The blood lead content of children was greater than that of their mothers and was higher in the summer than in ...
The purpose of this study was to evaluate the effect of cigarette smoking (active and passive exposure) and alcohol consumption during pregnancy on cord blood lead levels. In 1990, a survey was conducted in two hospitals in Québec City, Québec, Canada, a white-collar agglomeration. The sample included 430 mothers and their newborns. Information on the lifestyles of mothers during pregnancy was ...
It is obvious that lead intake is of concern not for its beneficial/essential effects on metabolism, but rather for its toxic actions, which can be especially damaging to children. The objective of this study was to analyze the concentration of lead in milk of mothers during prolonged lactation. Milk samples from 43 mothers were collected at 2 months postpartum. Lead was analyzed using atomic a...
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