Some popular synthetic hair products used for braids, twists and extensions may contain cancer-causing chemicals and high ...

Data reviewed by Caltech scientists found spikes of lead, chlorine and bromine in the air after the Eaton fire started.

The Palisades and Eaton fires damaged and destroyed thousands of structures, leaving behind debris that contained lead, chlorine and other dangerous toxins. Public health officials have issued ...

Researchers at Caltech recently detected increased levels of lead, chlorine and black carbon in the air from Jan. 7-11. They reported that lead levels on Jan. 9 were, on average, 100 times greater ...