Is it possible to catch a cold from the cold?

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2020-01-12 02:20:07

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Is it possible to catch a cold from the cold?

expert Advice to dress warmer in the cold season have a good reason

The Connection between cold and hard to miss. Every year, around the same time, the growing queues at pharmacies and sales of antiviral drugs rise up to heaven. Recently, researchers from Yale University found that there is a direct relationship between the temperature and the ability of the human body to fight viruses. According to a study published in the journal , the lower the temperature falls, the more chances of the virus becoming a full-fledged master of the situation.

to blame the rhinovirus

Rhinovirus infection called acute respiratory illness that is caused by a virus of the genus Rhinovirus. Sore throat, runny nose, fever — here are the main symptoms of the disease. According to experts, in the autumn-winter period rhinoviruses account for 30-50% of all cases of infection of SARS. The situation is complicated by the fact that infection by rhinovirus did not work at all. Enough to shake hands with infected people or just to be with him in the same room. However, the flu — not only the risk of rhinovirus. So, it is often a cause of exacerbation .

Rhinovirus was first cultivated in the 1960-ies. Even then, the researchers found that the virus replicates better at a temperature slightly below human body temperature. Insidious rhinovirus infection also lies in the development of complications. So, tonsillitis, otitis media and infections of the sinuses — often is a continuation in people with weakened immune systems. In addition, because rhinovirus infection exacerbated chronic diseases. You must admit that it looks like no doubt — if the rhinovirus is most active at low temperatures, so in the autumn and winter period really have to dress warmer. But not all so simple.

How the immune system reacts to the cold?

Researchers from Cornell University () decided to find out how the human immune system is sensitive to the rhinoviruses, and how to react to the temperature decrease. As a model, scientists have adapted to mice strain and tested it on cells from the respiratory tract of rodents — of the nose and lungs. Innumerous virus and cells of the respiratory tract at different temperatures, the researchers were able to measure the activation of genes and chemical signaling within cells. In other words, the scientists were able to determine the immune response of cells.

Rhinoviruses under the microscope look different

It Turned out that exposure to cold air can reduce the body's ability to fight . Thus, people suffering from disorders in the immune system, and chronic respiratory diseases, more difficult to fight off colds. Moreover, with hypothermia the risk of Contracting colds such people is significantly increased. So if you are sure that your immune system is 100% cope with the rhinovirus, dress warmly and do not neglect the advice of experts.

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