打喷嚏是人体的一种天然防御机制,是呼吸道排斥异己的剧烈行为,是人体鼻咽部对刺激性物质的一种正常应激反应。那么憋住喷嚏不打,会造成怎样的损伤呢?首先,打喷嚏能够帮助人体将大量细菌与异物排出体外,保持呼吸道畅通。若是忍着喷嚏不打,就相当于又把细菌“吞”了回去。如果打喷嚏时用手捂住嘴,或者捏住鼻子,很容易导致细菌病毒粘在手上,并且通过人们握手、接触门把 Sneezing is a natural defense mechanism of the human body, is a violent behavior of the respiratory tract dissidents, is a normal human nasopharyngeal irritants on the stress response. So hold the sneeze does not play, what kind of damage will it? First, sneezing can help the body will be a large number of bacteria and foreign body excreted, keep the airway open. If you endure sneezing does not fight, it is equivalent to bacteria again “swallowed” back. If you cover your mouth with your hands while sneezing, or pinch your nose, it can easily result in bacterial virus sticking to your hands and touching the door handle