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Nasal irrigation shortens colds by two days according to a 2024 Lancet study.
Recent studies confirm that nasal saline irrigation, an ancient practice, is effective at reducing the duration and severity of the common cold.
A large 2024 Lancet study found that starting this simple, low-cost technique at the first sign of symptoms can shorten illness by about two days.
By flushing out viruses and mucus, it supports the body's natural defenses and may reduce viral transmission.
The method is safe, accessible, and requires no prescription, offering a practical alternative to over-the-counter medications and antibiotics.
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La irrigación nasal acorta los resfriados en dos días según un estudio de The Lancet de 2024.