toxins

These results suggest that long-term pressure from environmental toxins may have nudged cognitive and communicative traits along different evolutionary paths in modern humans and Neanderthals.

Dr. Lee emphasized that PCE may be just one of several environmental toxins contributing to liver disease.

In humans, they are essential for immune defense, while in bacteria they often act as toxins that puncture cell membranes.

The BBC's Botox Black Market investigation uncovered wider misconduct among nurses and pharmacists supplying Botox to beauticians without prescriptions — and selling unlicensed toxins for cash.

“If built, the pipeline would tear up 23 miles of miles of the New York-New Jersey Harbor floor; destroy marine habitats; and dredge up mercury, copper, PCBs and other toxins.”