Children with more secondhand smoke exposure tend to have higher lead exposure, as well, a study finds.

A relatively affordable remediation process can remove lead from unregulated battery recycling, but isn't as good at getting it out of children's bodies.

Exposure to toxic chemicals, especially flame retardants and pesticides resulted in more than a million cases of intellectual disability in the US between 2001 and 2016, research finds.

Children exposed to lead may have a harder time getting a good night's sleep, a new study suggests.