Some have heralded masks as the gold standard of protective gear against COVID-19. However, they may be causing more problems than expected. Results from a study published in the Journal of Ecotoxicology and Environmental Safety in May have indicated that masks pose significant risks to wearers due to toxins emitted by the tight-fitting face coverings. Researchers from South Korea measured the number and concentration of volatile organic compounds (VOCs) emitted from several different masks, including cotton masks and KF94 masks—a popular type of
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