The studies on masks aren’t perfectly definitive, but that’s typical of many issues involving health risks — from mercury contamination to cancer screenings. It’s still better to make decisions based on an incomplete body of evidence than to ignore evidence altogether. Science has a lot to say about the effectiveness of wearing a mask to stop the spread of the coronavirus, but the communication of that science has been corrupted by a combination of partisan divides, sensationalist media stories, distrust, false dichotomies, and letting the perfect be the enemy of…
Read MoreCoronavirus: When to wear a mask and when you can skip it
