Sneezing is due to the nasal mucosa stimulated by viruses, bacteria, allergens and other substances, inhale sharply, and then quickly sprayed out of the nostrils, and the phenomenon of sound, it is the body will be irritating things in the nose to drive out a means of defense. A sneeze entraps hundreds of thousands of microorganisms! Never underestimate the power of a sneeze, the scope of its contamination is far beyond your imagination. A normal person’s sneeze about 300,000 microorganisms (including viruses, bacteria, etc.), suffering from respiratory diseases (such as influenza) when this number is multiplied. Second, the speed of sneeze can reach 150 kilometers per hour! In addition to carrying microorganisms, the energy generated by the sneeze is also very powerful, there is a foreign study on the sneeze jet power, a sneeze air velocity can reach 150 km / h, that is, 41.7 m / s, can be instantly sprayed droplets a few meters away, almost close to the center of the level 14 typhoon “Haiyan” maximum wind force! The wind is almost close to the maximum wind force at the center of Typhoon Haiyan, which is a level 14. Many people believe that see the TV sneeze paper flying, which is very big damage to the nasal mucosa, children’s nasal mucosa are very thin, it is easy to bleed because of a sneeze. 1, blood vessels unbearable pressure, rupture: we know that sneezing has a huge impact, sneezing from the lungs to the mouth and then to the nasal cavity, along the way chest, neck, head and face muscles suddenly and violently contracted, the power of a plus one, and is an instantaneous completion of the action, so it reaches its peak when the speed of the fast and the power is strong. This is for some people with potentially dangerous diseases (such as cardiovascular diseases), easy to cause blood vessel rupture, resulting in nosebleeds, intracranial hemorrhage and other serious and even fatal complications. 2, the eardrum unbearable pressure, rupture: sometimes a sudden increase in pressure in the middle ear may also cause rupture of the eardrum. After the rupture of the eardrum, people will suddenly feel earache, hearing loss, tinnitus, a small amount of bleeding and stuffy feeling in the ear. 3, lumbar muscle contraction, flash the waist: sneezing strong lumbar muscle contraction, but also lead to lumbar muscle injury (flash the waist) or lumbar disc herniation, foreign literature and even sneezing pneumothorax, as well as cause pregnant women to miscarry cases. 4.Pregnant women should be careful: pregnant women because the abdomen received a violent shock may lead to placental bleeding, fetal hypoxia, and even miscarriage. 5, material mobilization: after sneezing a variety of inflammatory substances mobilized, resulting in mental deterioration, people’s memory and other received a variety of release of substances become sluggish, affecting work efficiency. Suggestions: the existence of perennial sneezing patients, especially children, women, the elderly, lumbar discs, cervical spondylosis and other patients early treatment.