Genuine question. I once had a medical doctor who swore by saline nose/throat gargling for upper respiratory tract illnesses—he was a by the book, orthodox, evidence-based doc. I did not research it. Anyone know the evidentiary status of his claim? I did not see a recent review.
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I have the most sincere respect for the power of both placebo and nocebo—aka don't mess with folk medicine—but I can't help but get curious about trials for things with plausibility, like this.
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Btw, I asked out of curiosity, and I know this is a common folk-remedy in some cultures but... just in case anyone is encountering this with a practical mindset. DO NOTE THE FOLLOWING. Rinsing nasal passages with tap/contaminated water has real risks!https://twitter.com/heckathorn_amy/status/1476353795927904259 …
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Just because I find rigorous testing of folk-remedies interesting… Someone could do a quasi-experiment by using rapid tests like this, but with some folks using rinse/gargle, some not, and also do before/after comparisons (after waiting an hour or so, as per test instructions).https://twitter.com/methanoJen/status/1476276591219064836 …
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By the way, why rigorously test folk-remedies? First: sometimes there’s unintended harm you can uncover only through proper trial. Second: if beneficial, yeay! Third: if no effect found? It seems that the placebo benefit is essentially unshakable, so no harm in finding no effect.
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Ramalingam is the chap to look up on this - just found coronavirus work toohttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7193539/ …
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Also the Edinburgh Trial protocolhttps://bmjopen.bmj.com/content/11/5/e049964.abstract …
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My uncle was a pharmacist who studied a lot on natural therapies. He was big fan of salin solution.
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There have been a few studies now on Carrageenan nasal spray against colds and viruses (some on covid) seems to provide some protection
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Why I like evidence-based medical practice.
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symptoms (2020) :