'No safe level of lead exposure': New state rules would halve the level of lead in kids before intervention and boost fines

And although he was always very ... “Even low levels of lead in blood have been shown to contribute to learning disabilities, developmental delays, behavioral problems, as well as a number of other ...

'No safe level of lead exposure': New state rules would halve the level of lead in kids before intervention and boost fines

And although he was always very ... "Even low levels of lead in blood have been shown to contribute to learning disabilities, developmental delays, behavioral problems, as well as a number of other ...