With regard to COVID, we are awash in unreliable or even intentionally misleading empirical claims. A neurosurgeon from D.C. who understands statistics analyzes a popular claim that is being made on behalf of mask mandates. I encountered a Washington Post figure making its way through social media, suggesting that not wearing masks is conclusively the reason for COVID spread: If you look at the figure closely, the y-axis is “% … Continue reading Do Masks Work?