Health

Lead poisoning in 2,000 children in north Nigeria

Illegal gold mining has left at least 2,000 children with lead poisoning in several northern Nigerian villages, where 400 children have already died from contamination, an official said Friday.

Health

Talk of treaty ban on mercury concerns scientists

(AP) -- Scientists are warning officials negotiating a global treaty on mercury that banning the deadly chemical completely would be dangerous for public health because of the chemical's use in vaccines.

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