I decided to delve into the "Vitamin D can cure COVID-19" articles to see what the fuss is about and this is WILD Blog forthcoming, but holy shit this is the worst argument I've seen in a very long timepic.twitter.com/UUIZzPtUTN
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There's some evidence from studies of Vit D being useful for OTHER respiratory infection, but many of these studies looked at people with asthma and it's hard to know if this would transfer to infection with COVID-19
It's also worth noting that there doesn't seem to be any good evidence of Vitamin D protecting against DEATH from infection, which is really what we care about
Blog is now up, there were even more studies out there any some of them were even worse somehowhttps://medium.com/the-method/should-you-take-a-vitamin-d-supplement-for-covid-19-63d922f24953 …
If you live in southern New Zealand, Chile, or Argentina, this is the season to take vitamin D supplements... but not for any COVID-related reason!
Addressing #vitaminD deficiency regardless of CV19 - yes - I agree. But I really do think there is more than mere correlation here. There appears to be causation. https://www.youtube.com/watch?v=GCSXNGc7pfs&t=873s …pic.twitter.com/AkiVMATJwy
the cranks love this one! It’s like the third or so goalpost in their “shelter in place actually makes us sicker” argument
As if you lose all your vitamin D after a month in quarantine where you’re still free to go outside as much as you want 


Agreed it's no more than a hypothesis to test. Vit D deficiency has been implicated in several immunological disorders including ARDS so there may be a mechanistic relevance to COVID-19. Making sure of Vit D levels (outdoor exercise) isn't unreasonable.https://www.ncbi.nlm.nih.gov/pubmed/25903964
Researchers at Trinity College, Dublin think the correlation is strong enough and the likely benefits warrant recommending supplementshttps://mobile.twitter.com/tcddublin/status/1260159255199592449 …
Oh yeh that was yet another awful piece of research. They found the vaguest of correlations between country-level Vit D status and COVID mortality, but it's essentially meaningless!
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