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Health.com: Top 7 Natural Cold Remedies: Do They Work?

Nasal Rinsing

Long popular with the holistic crowd, daily rinsing is thought to fend off cough, sniffles, and sore throat. A 2008 study found that children who rinsed with a saline nasal wash six times a day had an improvement in cold symptoms and fewer recurrences. However, a 2009 study published in Annals of Allergy, Asthma and Immunology found that daily rinsing may deplete the nose of protective mucus, and up your risk of getting a cold and other infections. If you do decide to use a neti pot don't use tap water! Due to rare brain infections, the FDA warns that it's best to use distilled or sterile water, or boil water for 3 to 5 minutes and then cool before using.

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