Researchers investigate involuntary THC exposure in homes

University of Toronto researchers are investigating exposure to second-hand—and even third-hand—marijuana smoke in homes, including the THC that can collect on floors and surfaces.

UV lamps used for disinfection may impair indoor air quality

Using ultraviolet germicidal radiation (UVGI) to disinfect indoor spaces is a demonstrably effective way of deactivating various pathogens (including the SARS-CoV-2 coronavirus). It deactivates bacteria and viruses by exposing ...

Ozone causes skin to emit tiny airborne particles

Air pollution is responsible for 7 million premature deaths around the world every year, according to the World Health Organization. That's roughly the same number of people who die from smoking or malnutrition. The damaging ...

Cleaning with bleach could create indoor air pollutants

For generations, people have used chlorine bleach to clean and disinfect their homes. However, researchers have now discovered that bleach fumes, in combination with light and a citrus compound found in many household products, ...

Antimicrobial paints have a blind spot

Antimicrobial paints offer the promise of extra protection against bacteria. But Northwestern University researchers caution that these paints might be doing more harm than good.

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