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Smokers were never really protected from COVID, despite what early studies claimed

By Mark Shrime, RCSI University of Medicine and Health Sciences

Early in the coronavirus pandemic, researchers stumbled on an unexpected finding: smokers seemed to be protected from COVID’s worst effects. Initially discovered on a review of hospitalised patients in China, this “smoker’s paradox” was later reported in studies from Italy and France.

But it turns out that this wasn’t true,…

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