The Foegen Effect: How Mask Wearing Can Make You SickIt took a long time, but my study on masks has finally appeared in the prestigious journal Medicine. What is my study about?It is about whether masks decrease case fatality from COVID-19 (because less viral material is transmitted) or increase it. Increase sounds illogical? Ask yourself if you would wear the mask of a Covid patient. You probably wouldn’t, otherwise you could become infected by inhaling the viruses he or she breathed into the mask.My study, based on the U.S. state of Kansas, provides the answer: case mortality was significantly lower...