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Humans inhale as much as 68,000 microplastic particles daily, study finds
Key Excerpts from Article on Website of The Guardian (One of the UK's Leading Newspapers)
Posted: September 21st, 2025
https://www.theguardian.com/environment/2025/aug/28/micropla...
Every breath people take in their homes or car probably contains significant amounts of microplastics small enough to burrow deep into lungs, new peer-reviewed research finds, bringing into focus a little understood route of exposure and health threat. The study ... estimates humans can inhale as much as 68,000 tiny plastic particles daily. Previous studies have identified larger pieces of airborne microplastics, but those are not as much of a health threat because they do not hang in the air as long. The smaller bits measure between 1 and 10 micrometers, or about one-seventh the thickness of a human hair, and present more of a health threat because they can more easily be distributed throughout the body. The findings “suggest that the health impacts of microplastic inhalation may be more substantial than we realize”, the authors wrote. Microplastics are tiny bits of plastic either intentionally added to consumer goods, or which are products of larger plastics breaking down. The particles contain any number of 16,000 plastic chemicals, of which many, such as BPA, phthalates and Pfas, present serious health risks. The study measured air in multiple rooms throughout several apartments. The source of the microplastics in the apartments is thought to be degrading plastic in consumer products, from clothing to kitchen goods to carpets. The concentration of plastic in ... cars’ air was about four times higher than in the apartments.
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