Colds are infections of the upper respiratory tract: your nose and throat. They are caused by viruses. The most common symptoms of a cold are congestion, watery eyes, sore throat, cough, headache, and sneezing. These symptoms can be rather bothersome, but there are treatments that can help your symptoms and recovery. Most people recover from a cold within a week or two, but if your symptoms are prolonged you should see a doctor.
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