Great article about the efficacy and health risks of wearing a face mask.
Facemasks in the COVID-19 era: A health hypothesis
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7680614/
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/