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.
I would be thrilled to have some of my tax dollars go to such research. In the US, NIH has a huge budget, and funds a lot of complicated research (which is great). This is a widespread folk-practice around the world, and likely would be much cheaper than a drug trial.
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Most randomised controlled trials are conducted because there is a need to prove efficacy of the treatment to obtain FDA approval.
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