منابع مشابه
The worldwide problem of lead in petrol.
The use of lead as a petrol additive has been a catastrophe for public health. Leaded petrol has caused more exposure to lead than any other source worldwide. By contaminating air, dust, soil, drinkingwater and food crops, it has caused harmfully high human blood lead levels around the world, especially in children (1). Tetraethyllead was first added to petrol in 1922, to improve engine perform...
متن کاملBlood lead and haemoglobin in lead absorption.
a low haemoglobin but none had symptoms or signs that were likely to be due to lead absorption. A further i8 men had haemoglobins of 89% (13 g./Ioo ml.) or less. None was thought to be low due to lead absorption. The absence of symptoms, signs, and low haemoglobins in association with relatively high blood leads is unlikely to be due to errors in blood lead or haemoglobin estimation. Alternativ...
متن کاملBlood lead, ethnic origin, and lead exposure.
A survey of blood lead concentrations is reported in a group of 199 young Walsall children (3-6 years of age). The geometric mean blood lead concentration was 0.47 mumol/l (range 0.2-1.6 mumol/l). There were no significant differences in blood lead concentrations between groups of children with different ages, sex, ethnic origin, or environment.
متن کاملSaccade dysfunction associated with chronic petrol sniffing and lead encephalopathy.
BACKGROUND In chronic petrol sniffers, recent exposure to high levels of leaded petrol may give rise to a lead encephalopathy characterised by tremor, chorea, ataxia, hyperreflexia, convulsive seizures, and death. Neurological abnormalities associated with lead encephalopathy involve the cortex, basal ganglia, cerebellum, and brain stem. OBJECTIVE To use saccadic eye movement tasks as an expe...
متن کاملBlood lead levels of children before and after introduction of unleaded petrol.
Nations around the world have banned lead in petrol [1]. The primary reason for removing lead additives from petrol is its adverse effect on human health. In response to evidence that blood lead concentrations approaching toxic levels in children and traffic policemen in Sri Lanka, tetraethyl lead was removed from petrol in the year 2002. Following this change a reduction in roadside atmospheri...
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ژورنال
عنوان ژورنال: BMJ
سال: 1983
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.286.6376.1515-b