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　　免??(mian)疫??(yi)系??(xi)統(tǒng)??(tong)如??(ru)同??(tong)人??(ren)體??(ti)的?(de)“智??(zhi)能?(neng)防?(fang)衛(wèi)??(wei)軍??(jun)”??，在??(zai)不??(bu)同??(tong)人??(ren)生??(sheng)階??(jie)段??(duan)需??(xu)要??(yao)差??(cha)異??(yi)化??(hua)的??(de)戰(zhàn)??(zhan)略??(lve)部??(bu)署??(shu)??。?現(xiàn)?(xian)代??(dai)醫(yī)??(yi)學(xué)??(xue)研??(yan)究??(jiu)發(fā)??(fa)現(xiàn)??(xian)??，0～3歲??(sui)兒?(er)童??(tong)免??(mian)疫??(yi)記??(ji)憶??(yi)形??(xing)成??(cheng)速??(su)度??(du)約??(yue)為??(wei)成?(cheng)人??(ren)的?(de)3倍?(bei)??，而??(er)60歲??(sui)后??(hou)胸??(xiong)腺??(xian)功??(gong)能??(neng)每??(mei)年??(nian)衰??(shuai)退?(tui)3%??。因??(yin)此??(ci)??，掌??(zhang)握??(wo)各??(ge)年??(nian)齡?(ling)段??(duan)的??(de)免??(mian)疫??(yi)維??(wei)護(hù)??(hu)密?(mi)碼??(ma)??，才?(cai)能??(neng)讓??(rang)這??(zhe)道??(dao)健??(jian)康??(kang)防?(fang)線??(xian)愈??(yu)加??(jia)堅??(jian)固??(gu)??。　　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??(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??(hui)走??(zou)音??(yin)或??(huo)斷??(duan)弦??(xian)??。。