Colds is a disease that can heal by itself (self-limiting disease). Although it can heal by itself, rinsing with saline solution to overcome the symptoms that accompany it, such as cough and sore throat.But if you do not want to get too dependent on drugs, there are ways to alleviate cold symptoms (common cold), such as coughing, sneezing and sore throat. Materials needed are very simple, just use table salt only.
Quoted from the NY Times, Wednesday (29/09/2010), saline solution is attractive kitchen so they can remove excess fluid in the fluid experience sore throat. Not only will reduce the inflammation, the salt will also ease the pain it causes.
In addition, the salt solution will also dilute the mucus or phlegm that obstruct the respiratory tract. Watery mucus that will be easily removed, so that could bring allergy-causing substances and even if there is fungus or bacteria infection.
Tips are proven efficacious in random testing of 400 patients with colds in the United States. In the observation during the winter which lasts 60 days, participants were rinsed with saline solution 3 times daily decreased symptoms of upper respiratory tract infections by 40 percent.
The study was never published in the publication of The American Journal of Preventive Medicine in 2005.
For best results, experts from the Mayo Clinic suggested that half a teaspoon dissolved in a cup full of warm water. Use to gargle during bebreapa seconds prior to release, do as much as 3 times a day.
If you do not like the taste too salty, salt can be substituted with lemon or honey. Similar efficacy and should not be issued, can be directly swallowed after gargling.
source: (http://www.detikhealth.com/read/2010/09/29/100158/1450973/766/air-garam-untuk-menyembuhkan-pilek)