Directly from the NIH, published in Nov 2020:
"Although, scientific evidence supporting facemasks’ efficacy is lacking, adverse physiological, psychological and health effects are established."
https://www.ncbi.nlm.nih.g...
"Although, scientific evidence supporting facemasks’ efficacy is lacking, adverse physiological, psychological and health effects are established."
https://www.ncbi.nlm.nih.g...
Facemasks in the COVID-19 era: A health hypothesis
Many countries across the globe utilized medical and non-medical facemasks as non-pharmaceutical intervention for reducing the transmission and infectivity of coronavirus disease-2019 (COVID-19). Although, scientific evidence supporting facemasks’ ...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7680614/
02:28 PM - Apr 19, 2021
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