A first-of-its-kind study has found that in US communities where drinking water is contaminated with per- and polyfluoroalkyl substances (PFAS), there’s also an increased incidence of some cancers, with the so-called “forever chemicals” potentially contributing to over 6,

Pitcher, faucet, and fridge carbon filters are more accessible and cheaper than the other two options, but reverse osmosis systems are more effective at removing PFAS, Loria said. Carbon filters are a “simple way of reducing contaminants in your water,” he added.

PFAS from drinking water may contribute to between 4,000 and 7,000 new cases of cancer every year, according to research from the University of Southern California.