Chronic exposure to metals has subtle toxic effect on the nervous system in early childhood. It may cause impairment of language and learning development. The aim of the present study is to estimate the level of some metals (copper, lead, cadmium, manganese, and zinc) in blood samples of children having delayed language development without any obvious causes and to assess ... Read more

Metals have been recognized as powerful toxins for many years. Toxic exposure to these metals arises in diverse circumstances including environmental, therapeutic and industrial exposure. There is a spectrum of exposure patterns from chronic low levels such as exposure of children to lead paint in older houses, to acute high-dose exposure either intentionally or by accident. Exposure to metals causes ... Read more