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人体的免疫系统是我们抵御外敌入侵,保持机体内环境稳定最重要的防御体系之一,它又分为天然免疫和获得性免疫两大类。当免疫系统发挥作用合适恰当时,机体就可面对许许多多的致病微生物高枕无忧,使我们不必担心自己的心、脑、肝、肾受到侵害。 然而人体的免疫系统也有一个特点,即有时候是敌我不分,良莠不辨,甚至直接将矛头指向自身组织而引发疾病,如急性肾炎、系统性红斑狼疮、过敏性哮喘、过敏性紫癜等等。有时候,机体在清除入侵的敌害斗争中,因无法把握分寸,认清敌我,也往往是不分青红皂白,一律格杀勿论,以致于“善意”地引起许多病变,如急性肝炎、过敏性肾炎等等。至于因人体免疫系统过于“积极”,功能亢
The human immune system is one of the most important defense systems against invasion by foreign enemies and the maintenance of environmental stability in the body. It is divided into two categories: natural immunity and acquired immunity. When the immune system functions properly and appropriately, the body can sit back and relax in the face of so many pathogenic microorganisms that we do not have to worry about our heart, brain, liver and kidneys being infringed. However, the body’s immune system also has a characteristic, that is sometimes divided between enemy and foe, good and bad do not distinguish, or even direct their spearhead directed at their own organizations and cause diseases such as acute nephritis, systemic lupus erythematosus, allergic asthma, Henoch-Schonlein purpura, etc. Wait. Sometimes, in the struggle to eliminate the enemy invaded by invasion, the body is unable to grasp its sense of propriety because of its inability to grasp the enemy’s enemy. It is also indiscriminate and indiscriminate, so that many diseases such as acute hepatitis and allergic nephritis are caused in good faith Wait. As the body’s immune system is too “positive”, hyperactivity