Why does the complaint of colds increase in winter?
Every year, with the arrival of winter, complaints of cold and flu increase.
Why does the complaint of colds increase in winter?
When scientists tried to find out the reason for the connection between cold weather and colds, it was found that it is caused by the nose.
Sabak News told the British newspaper "The Sun" that the defense system of the human nose, which fights various types of viruses, becomes numb in cold weather.
An obvious reason why the nasal immune system is affected in winter is people sitting indoors for long periods of time. During this time infectious viruses are transmitted in their body.
Benjamin Blair, the author of the research in this regard, has said that "it is not possible to declare any one thing as the sole and final cause of colds in winter."
Research has shown that cells in the nasal passages release billions of secretions when they sense bacteria or viruses.
These secretions not only kill dangerous bacteria and viruses, but they also warn other cells of disease-causing substances.
During this study, experts also evaluated the nasal defense system against a variant of the corona virus and two viruses that cause colds.
Experts concluded that when the temperature inside the nose drops, the nasal immune system of healthy people is half as efficient as it is in summer.
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