The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
This study though, this Spanish study where they gave something called calcifediol which is, again, 25-hydroxy. This is not an over the counter medication. This is a prescription-only. It's usually prescribed by nephrologists in patients with renal disease that have very high, you know, parathyroid hormone levels.
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Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
And what they found was in the calcifediol group, there was only 2% that went to the intensive care unit, whereas in the placebo group, 50% of those went to the intensive care units. That's a very, very marked number.