PFAS 4 Ever

Resistant to water, oil and heat, per- and polyfluoroalkyl substances (PFAS) are ubiquitous in everything from clothing to nonstick cookware—and now soil, drinking water and the human body.

Yet scientists know precious little about the so-called “forever chemicals” and regulations have lagged.

Companies aren’t required to prove chemicals’ safety to sell them. Long after PFAS hit the shelves, the EPA is now considering a legal limit in drinking water.

PFAS research funds are on the rise. But at 5,000+ variants and counting, the roster of PFAS is growing just as fast. One approach taken by NIH researchers: Study several at once.

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