Laura Helmuth on Nostr: This is a smart explanation of how the "masks don't work" message spread & why we ...

This is a smart explanation of how the "masks don't work" message spread & why we know masks do work (and so does flossing) even if there aren't randomized controlled trials to prove it https://www.scientificamerican.com/article/what-went-wrong-with-a-highly-publicized-covid-mask-analysis/