Controversial Prop. 65 warning labels about toxic chemicals are effective, study says
A new study finds California's Proposition 65 law has reduced toxic chemical exposure nationwide, despite longstanding ...
NBC Los Angeles7d
Possibly toxic chemical may be widespread in drinking water, study finds. Should you filter your tap water?
A previously unidentified chemical has been discovered in the tap water of about one-third of U.S. homes, a new study has ...