The elderly easy winter incidence of chronic bronchitis
In winter, due to changes in atmospheric pressure and cold snap hit, easily lead to bronchial mucous membrane of the blood circulation of obstacles, the smooth muscle spasm, and respiratory secretions from the difficulties and lower body resistance to viruses or bacteria to create the conditions for the invasion. Modern scientific research confirmed that the cold weather often in the blood to the body reduced the number of lymphocytes, then the lower immunity, vulnerable to infection, often in patients with chronic bronchitis incidence in the winter, especially the elderly often cause flu Shouliang The acute chronic bronchitis.
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