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　　許??(xu)多??(duo)人?(ren)誤??(wu)以??(yi)為??(wei)“免??(mian)疫?(yi)力??(li)越??(yue)強(qiáng)??(qiang)越??(yue)好??(hao)”??，盲?(mang)目??(mu)服??(fu)用??(yong)補(bǔ)??(bu)品??(pin)、濫??(lan)用??(yong)保??(bao)健??(jian)品??(pin)??，結(jié)??(jie)果??(guo)反??(fan)而?(er)引??(yin)發(fā)??(fa)過??(guo)敏??(min)、自??(zi)身??(shen)免??(mian)疫??(yi)病??(bing)等??(deng)問??(wen)題??(ti)??。??事??(shi)實(shí)??(shi)上??(shang)??，免??(mian)疫??(yi)系??(xi)統(tǒng)??(tong)的??(de)精??(jing)髓??(sui)在??(zai)于??(yu)“動(dòng)?(dong)態(tài)??(tai)平??(ping)衡??(heng)”——既??(ji)能??(neng)高??(gao)效??(xiao)防??(fang)御??(yu)??，又?(you)不?(bu)失??(shi)控??(kong)攻??(gong)擊??(ji)自??(zi)身??(shen)??。這??(zhe)種??(zhong)平??(ping)衡??(heng)一??(yi)旦??(dan)被??(bei)打??(da)破??(po)??，就??(jiu)像??(xiang)過??(guo)度??(du)緊??(jin)繃??(beng)的??(de)琴??(qin)弦??(xian)??，稍??(shao)有??(you)不??(bu)慎??(shen)便??(bian)會(huì)??(hui)走??(zou)音?(yin)或??(huo)斷??(duan)弦??(xian)???！　∵m??(shi)應(yīng)??(ying)性??(xing)免??(mian)疫?(yi)??，是??(shi)后??(hou)天??(tian)訓(xùn)??(xun)練??(lian)的??(de)“智??(zhi)能??(neng)特??(te)種??(zhong)兵??(bing)”??。??如??(ru)果??(guo)說??(shuo)先??(xian)天?(tian)性??(xing)免??(mian)疫??(yi)是??(shi)“快??(kuai)速??(su)反??(fan)應(yīng)??(ying)部??(bu)隊(duì)??(dui)”??，那??(na)么??(me)??，適??(shi)應(yīng)??(ying)性??(xing)免??(mian)疫??(yi)就?(jiu)是??(shi)經(jīng)??(jing)過??(guo)特??(te)訓(xùn)??(xun)的??(de)“智??(zhi)能??(neng)特??(te)種??(zhong)兵??(bing)”??，能?(neng)精??(jing)準(zhǔn)??(zhun)識(shí)??(shi)別??(bie)并??(bing)消??(xiao)滅??(mie)特??(te)定??(ding)敵??(di)人??(ren)??，還??(hai)能??(neng)形??(xing)成??(cheng)長??(chang)期?(qi)記??(ji)憶??(yi)??。。