Mask study published by NIH suggests N95 Covid masks may expose wearers to dangerous level of toxic compounds linked to seizures and cancer
The surgical N95 mask has been held up as the gold standard when it comes to protecting against Covid. But a study quietly re-shared by the National Institutes of Health in spring suggests the tight-fitting mask may expose users to dangerous levels of toxic chemicals. Researchers from Jeonbuk National University in South Korea looked at …