11/13/2023 0 Comments Check point mobileIt’s a good place to go if you’re wondering if antidepressants work, if blood pressure medications help, if therapy does anything, and lots more. With something as complex as masks and respiratory disease, the right tool for the job isn’t one study but many: a meta-analysis of a number of different smaller studies to determine what effect is detectable in aggregate across the body of research.įor medical questions, a major source of high-quality, reputable meta-analyses is Cochrane, a UK-based nonprofit that publishes long and comprehensive meta-analyses of current evidence on medical and therapeutic interventions. Here’s a seemingly simple question with a deeply unsimple answer: Do the masks that so many of us spent more than two years wearing actually prevent the spread of Covid-19? There have been dozens of studies trying to answer that question, and often they point in different directions, or are too small to find the effect they’re looking for.
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