Frequent sneezing is related to many factors.
First, it may be related to infectious diseases. When an infectious disease occurs in the nasal cavity or throat, the mucous membrane of the nasal cavity or throat is stimulated by inflammation, which leads to mucosal congestion and continuous exudation of secretions, and the body reacts physiologically by sneezing in order to discharge the secretions.
Secondly, it may be related to allergic factors, such as dust, pollen, air pollutants, etc. After the nasal or throat lining tissue is stimulated by allergens, the body reacts defensively out of a protective mechanism, causing sneezing to occur.
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