Dear Doctors: We live in the fire zone in Altadena, California. After the evacuations ended, we came home, and now my throat is constantly sore. There’s no smoke smell, but my husband says the air can ...

Mention the word “soot” to people brought up with open fireplaces and they will typically think about that black, powdery material that gathers in your chimney pipe and has to be cleaned out at ...

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Residues and particulates are main types of contamination found in the pharmaceutical sector. These may be produced from a broad range of sources including undissolved residuals in buffer and media ...

The regulatory compliance standards for modern pharmaceutical products are among the harshest in the world, demanding cutting-edge quality assurance and quality control procedures to ensure that ...

A previously unknown mechanisms may explain why air pollution in the form of particulates causes heart attacks, stroke, and increasing mortality. Particulates in diesel exhaust are a substantial cause ...

If we're not going to stop climate change by reducing emissions, then we're going to have to engineer some outlandish way to save civilization—that's the basic logic behind geoengineering, which ...

When I worked for the Environmental Protection Agency in the 2010s as an Obama administration appointee, I helped write and review dozens of regulations under the Clean Air Act. They included some ...

Researchers from Arizona State University have found another good reason to stay indoors on days when the local air pollution is high — it could help prevent dementia. A recently released working ...

Q: We live in the fire zone in Altadena, California. After the evacuations ended, we came home, and now my throat is constantly sore. There’s no smoke smell, but my husband says the air can still be ...