Episodes of reported PFAS contamination are never far from the news. Here's a run-down of what PFAS is, and why we have little reason to worry about its potential effects on our health.
EPA is moving to regulate two chemicals from a group called PFAS that are contaminating drinking water. A public health expert explains why the agency should take much broader action.
A growing number of communities in upstate New York and New England are discovering the chemical PFOA in their water supply. Here's what you should know about the health effects of PFOA.