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學(xué)習(xí)快評(píng)丨qibao666888　　嬰??(ying)幼?(you)兒??(er)期??(qi)(0～3歲??(sui))??，新??(xin)生??(sheng)兒??(er)免??(mian)疫??(yi)系??(xi)統(tǒng)?(tong)像??(xiang)一??(yi)支??(zhi)未??(wei)經(jīng)??(jing)實(shí)??(shi)戰(zhàn)??(zhan)的??(de)“新??(xin)兵??(bing)部?(bu)隊(duì)??(dui)”??，先??(xian)天??(tian)性?(xing)免??(mian)疫?(yi)(如??(ru)中??(zhong)性??(xing)粒?(li)細(xì)??(xi)胞??(bao)、巨??(ju)噬?(shi)細(xì)??(xi)胞??(bao))活??(huo)性??(xing)高??(gao)??，但??(dan)皮??(pi)膚??(fu)、黏??(nian)膜?(mo)屏??(ping)障??(zhang)薄??(bo)弱??(ruo)??，易??(yi)受?(shou)病??(bing)毒??(du)(如??(ru)呼??(hu)吸??(xi)道??(dao)合??(he)胞??(bao)病??(bing)毒??(du)、輪??(lun)狀??(zhuang)病??(bing)毒??(du))侵??(qin)襲??(xi)??。??此??(ci)時(shí)??(shi)主??(zhu)要??(yao)依??(yi)賴??(lai)母??(mu)體??(ti)通??(tong)過??(guo)胎?(tai)盤??(pan)和??(he)母??(mu)乳??(ru)傳??(chuan)遞?(di)的??(de)抗??(kang)體??(ti)(如??(ru)IgG、IgA)提?(ti)供??(gong)保??(bao)護(hù)??(hu)???！　〕??(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)??。。