Scientists from the US National Institute of Health have found that dry air could cause dehydration and inflammation of the respiratory system. Published in İş Magazine Communication World and Environment (CEE).
Researchers have found that the relative humidity remained at the same level with an increase in the average temperature of the world, but a deficiency of the partial pressure of the water vapor (PDV) – a sign of how much the surrounding air “creeps”. High PDV increases the rate of water vapor and causes dehydration of both natural ecosystems and human respiratory system.
During the study, a scientist team examined the effect of dry air on the cells of human bronchi on the cells. After exposure to dry air, the cells showed high -level cytokine – proteins showing the thinning and inflammation of the mucosa layer. These results are consistent with the theoretical estimates that cause the dehydration and inflammation of the respiratory cells of dry air.
Animal experiments confirmed the following results: There were symptoms of inflammation in the mice, lungs exposed to dry air during the week, there was no such reaction in wet air breathing mice. In particular, severe inflammation emerged in mice, which are predisposed to the dry respiratory tract, which is the characteristic of chronic respiratory diseases.
In the mid -21st century, scientists estimate that most of the United States will be in the risk of increasing respiratory inflammation due to increasing temperature and air humidity. It may also lead to an increase in the number of diseases associated with dry mucous membranes such as chronic cough, allergic rhinitis and asthma.
“This discovery changes our minds of medicine. The dehydration of mucous membranes is already a serious threat to human health, and in the future, this problem will be intensified only due to global warming. ”
The results of the study raise the question of need for new methods of protecting the respiratory tract and mucous membranes from dehydration. Scientists believe that the lifestyle adjustment, the use of air moisturizers and the development of therapeutic solutions will help reduce the negative impact of dry air on health.
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Source: Gazeta
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