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　　一??(yi)是??(shi)科??(ke)學(xué)??(xue)防??(fang)護(hù)?(hu)??，筑??(zhu)牢??(lao)免??(mian)疫??(yi)防??(fang)線??(xian)?。??如??(ru)按??(an)時(shí)??(shi)接??(jie)種??(zhong)流??(liu)感??(gan)疫??(yi)苗??(miao)、肺??(fei)炎??(yan)球??(qiu)菌?(jun)疫??(yi)苗??(miao)等??(deng)??，幫??(bang)助??(zhu)免??(mian)疫??(yi)系??(xi)統(tǒng)??(tong)提??(ti)前??(qian)“記??(ji)住??(zhu)”敵??(di)人??(ren)特??(te)征??(zheng)?。再??(zai)如??(ru)遠(yuǎn)??(yuan)離??(li)過??(guo)敏??(min)原??(yuan)??，對(duì)??(dui)塵??(chen)螨??(man)、花?(hua)粉??(fen)過??(guo)敏??(min)者?(zhe)??，可??(ke)使??(shi)用??(yong)防??(fang)螨??(man)寢??(qin)具??(ju)、空??(kong)氣??(qi)凈??(jing)化??(hua)器??(qi)??！　〕??(cheng)年??(nian)期??(qi)是??(shi)免??(mian)疫??(yi)系??(xi)統(tǒng)??(tong)的?(de)“黃??(huang)金??(jin)時(shí)??(shi)代??(dai)”??，功?(gong)能?(neng)趨??(qu)于??(yu)穩(wěn)??(wen)定??(ding)??，但??(dan)不??(bu)良??(liang)生??(sheng)活??(huo)習(xí)??(xi)慣??(guan)可??(ke)能?(neng)引??(yin)發(fā)??(fa)“隱??(yin)形??(xing)危??(wei)機(jī)??(ji)”??。??這??(zhe)一??(yi)時(shí)??(shi)期??(qi)的??(de)免??(mian)疫??(yi)特??(te)點(diǎn)??(dian)主??(zhu)要??(yao)是??(shi)兩??(liang)個(gè)??(ge)方??(fang)面??(mian)??，一??(yi)是??(shi)胸??(xiong)腺??(xian)萎??(wei)縮??(suo)??，新??(xin)生??(sheng)T細(xì)??(xi)胞??(bao)減?(jian)少??(shao)??，依??(yi)賴??(lai)記??(ji)憶?(yi)T細(xì)??(xi)胞??(bao)應(yīng)??(ying)對(duì)?(dui)病??(bing)原??(yuan)體??(ti)；二??(er)是??(shi)慢??(man)性??(xing)炎??(yan)癥??(zheng)??，吸??(xi)煙??(yan)、肥??(fei)胖??(pang)、壓??(ya)力??(li)等??(deng)導(dǎo)??(dao)致?(zhi)低??(di)度??(du)炎??(yan)癥?(zheng)??，增??(zeng)加??(jia)糖??(tang)尿??(niao)病??(bing)、心??(xin)血?(xue)管??(guan)疾??(ji)病??(bing)風(fēng)??(feng)險(xiǎn)??(xian)??。。