I thought I'd look at this paper in a little bit more detail because, well, there are some pretty big issues Let's do some peer-review on twitter!https://twitter.com/GidMK/status/1303539430024568832 …
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It is entirely possible - perhaps even likely - that one of these potential sources of bias influenced the eventual results. A study like this would be rated as at a "very high" risk of bias in most formal assessments
I think most scientists would just read this as a tiny pilot study, and await better data That's certainly my opinion - there are too many potential sources of bias here to make any solid conclusions
Unfortunately, it is the age of COVID-19, so this study has instead gone viral on social media and is being used to recommend that people take vitamin D supplements Such is the way of 2020
I should also mention that this is not in any way an indictment of the study's authors. This was clearly meant to be a pilot study, and should be read as such It is just a shame that people have instead sensationalized the research
No data recorded on concomitant therapy or BMI or ethnicity either...
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