The most concerning levels are in Altadena, according to the company L.A. County hired to conduct the testing after the federal government opted not to test. However, it's unclear if the higher levels ...

CNN’s Chief Medical Correspondent Dr. Sanjay Gupta breaks down the health effects of lead exposure in adults and children, ...

A final order in the case was issued in May 2015, with Mark Geier essentially pleading no contest to the allegations. He was ...