Tomás R. Guilarte has been exchanging emails with a mother whose child was exposed to lead. She's not the first parent he's heard from. And likely won't be the last. This is our legacy of lead. It's ...

Lead exposure in early childhood can lead to severe cognitive and behavioral impairments in children that last well into adolescence and adulthood. Although researchers have looked at effects of early ...

New research shows that the majority of gene changes in the brain caused by lead can be reversed by raising animals in stimulating environments. Lead exposure in early childhood can lead to severe ...