Drinking water is one of the main ways people are exposed to per- and polyfluoroalkyl substances, or "PFAS." These chemicals have been linked to negative health outcomes, including certain cancers. show999/Getty Images hide caption
toggle caption show999/Getty ImagesReporting for this story comes from the series Safe to Drink, a podcast that follows stories of water contamination in New England by Mara Hoplamazian from New Hampshire Public Radio.
"Forever chemicals" are everywhere — in our drinking water, in our food and in products like nonstick frying pans, raincoats and even some types of floss.