This article, by a statistician, proposes a way to evaluate the reliability of health news one reads about in newspapers, on the internet etc.. It is fairly straightforward and just I nvolves multiplying a few probabilities. I thought it would be relevant given some recent controversy about Covid vaccines on the list. See: fivethirtyeight.com/feature...
It can be seen that, using the method, the recent claim about vaccines being responsible for bradycardia etc. *wouldn't* stand up to scrutiny. This doesn't mean that the claim is false, just that it isn't adequately supported by the available evidence.
