春季是草本植物的开花季节,此时成吨的花粉释放到空气中,从而引起花粉症大流行。花粉过敏在许多国家已经成为季节性流行病,发病率之高相当惊人。在美国,每100个人当中就有两个以上的人患花粉症;而日本约有600万人被花粉所累,在大坂地区,每到春、秋季节,由于花粉症流行,都会造成大量人口外逃避难。如果你也在这个季节发现自己会无缘由的打喷嚏、流鼻水等等,说不定就是花粉症惹得祸。 Spring is the herbaceous flowering season, when tons of pollen are released into the air, causing a hay fever. Pollen allergy has become a seasonal epidemic in many countries and the incidence is alarmingly high. In the United States, there are more than two out of every 100 people suffering from hay fever. In Japan, about 600 million people are polluted. In Osaka, every spring and autumn, due to the prevalence of hay fever, a large population Evacuate refuge. If you are also found in this season will be no reason to sneeze, runny nose and so on, may be hay fever provoke.