Masks Help to Prevent Infections with Respiratory Viruses

Masks Do Not Block Breathing

Researchers showed that “wearing a surgical face mask did not cause gas exchange abnormalities in healthy adults or even in adults with lung function impairment” (Annals ATS, March 2021;18(3):539-541). The authors measured carbon dioxide exchange and oxygen saturation...
Masks Help to Prevent Infections with Respiratory Viruses

Recent News on COVID-19

CAUTION: The news media often reports on articles from the websites of scientific journals that have not yet been peer reviewed by other doctors. It has become common practice to “pre-publish” studies or press releases online before they have been fully...