background: lead still remains an important problem for poor, inner-city, ethnic minority children, with a particular emphasis on lead paint and dust. in egypt, there is no national survey about the prevalence of elevated blood lead level among children. objective: to assess the environmental lead level as well as to determine blood lead level among primary school children and find out its rela...

background: noise, one of the major environmental nuisances, affects the learning ability of children negatively. objective: with the assumption that in the existing german 4-type school system children are exposed to various noise levels in each type of school, we investigated the association between children's school type and environmental noise level. methods: in this cross-sectional study, ...