Using saltwater nose rinses and gargling might cut down how often colds spread in families by about a third, which could help keep more people from getting sick.
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Evidence from Studies
Supporting (1)
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Community contributions welcome
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A pilot, open labelled, randomised controlled trial of hypertonic saline nasal irrigation and gargling for the common cold
Randomized Controlled Trial
Human
2019 Jan 31Contradicting (0)
0
Community contributions welcome
No contradicting evidence found
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.