Microplastics in air: Are we breathing it in?

Abstract : The annual production of plastic textile fibers has increased by more than 6% per year, reaching 60 million metric tons, about 16% of world plastic production. The degradation of these fibers produces fibrous microplastics (MPs). Such MPs have been observed in atmospheric fallouts, as well as in indoor and outdoor environments. Some fibrous MPs may be inhaled. Most of them are likely to be subjected to mucociliary clearance; however, some may persist in the lung causing localized biological responses, including inflammation, especially in individuals with compromised clearance mechanisms. Associated contaminants such as Polycyclic Aromatic Hydrocarbons (PAHs) could desorb and lead to genotoxicity while the plastic itself and its additives (dyes, plasticizers) could lead to health effects including reproductive toxicity, carcinogenicity and mutagenicity.
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Johnny Gasperi, Stephanie L. Wright, Rachid Dris, France Collard, Corinne Mandin, et al.. Microplastics in air: Are we breathing it in?. Current Opinion in Environmental Science & Health, 2018, 1, pp.1 - 5. ⟨10.1016/j.coesh.2017.10.002⟩. ⟨hal-01665768⟩

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