The more you learn about PFAS — per- and polyfluoroalkyl substances — the worse it gets. Though improvements in monitoring and remediation techniques are welcome, what the world needs first ...

There are more than 10,000 PFAS, also known as “forever chemicals,” and they’re used almost everywhere, including in nonstick cookware, waterproof clothing, smartphones, packets of microwave popcorn, ...

After your dental appointment, your mouth is in a sensitive state. Ignoring your dentist’s instructions might undo their work or lead to complications.