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原標(biāo)題：和小姪女做很舒服

學(xué)習(xí)快評(píng)丨qibao666888　　老?(lao)年??(nian)期??(qi)免??(mian)疫??(yi)系??(xi)統(tǒng)??(tong)如??(ru)同??(tong)“老??(lao)兵??(bing)”??，經(jīng)??(jing)驗(yàn)??(yan)豐??(feng)富??(fu)但??(dan)機(jī)??(ji)能??(neng)衰??(shuai)退??(tui)??，需??(xu)針??(zhen)對(duì)??(dui)性??(xing)維??(wei)護(hù)??(hu)以?(yi)降??(jiang)低??(di)重??(zhong)癥??(zheng)風(fēng)?(feng)險(xiǎn)??(xian)??。??這?(zhe)一??(yi)時(shí)??(shi)期??(qi)的??(de)免??(mian)疫??(yi)特??(te)點(diǎn)??(dian)??，一??(yi)是??(shi)T細(xì)??(xi)胞??(bao)功??(gong)能??(neng)退??(tui)化??(hua)??，記??(ji)憶??(yi)T細(xì)??(xi)胞??(bao)主??(zhu)導(dǎo)?(dao)??，但??(dan)清??(qing)除??(chu)病??(bing)原??(yuan)體??(ti)能??(neng)力?(li)下??(xia)降??(jiang)；二?(er)是??(shi)抗??(kang)體??(ti)質(zhì)??(zhi)量??(liang)降??(jiang)低??(di)??，疫??(yi)苗??(miao)應(yīng)??(ying)答?(da)減??(jian)弱??(ruo)??，感??(gan)染??(ran)(如?(ru)肺?(fei)炎??(yan)、帶??(dai)狀??(zhuang)皰??(pao)疹??(zhen))易??(yi)重?(zhong)癥??(zheng)化??(hua)；三??(san)是??(shi)衰??(shuai)老??(lao)相??(xiang)關(guān)??(guan)疾??(ji)病??(bing)發(fā)??(fa)病??(bing)風(fēng)??(feng)險(xiǎn)??(xian)上??(shang)升??(sheng)：免??(mian)疫??(yi)監(jiān)??(jian)視??(shi)功??(gong)能??(neng)減??(jian)弱??(ruo)??，無??(wu)法??(fa)及??(ji)時(shí)??(shi)清??(qing)除??(chu)突??(tu)變??(bian)細(xì)?(xi)胞??(bao)??。　　首??(shou)先??(xian)要??(yao)識(shí)??(shi)別??(bie)“自??(zi)我??(wo)”與??(yu)“非??(fei)我??(wo)”??。?通??(tong)過??(guo)細(xì)??(xi)胞?(bao)表??(biao)面??(mian)的??(de)特??(te)殊??(shu)蛋??(dan)白??(bai)(如??(ru)MHC分??(fen)子??(zi))區(qū)?(qu)分??(fen)自??(zi)身??(shen)細(xì)??(xi)胞??(bao)和??(he)外??(wai)來??(lai)病??(bing)原?(yuan)體??(ti)??。一??(yi)旦??(dan)誤??(wu)判??(pan)?，可??(ke)能?(neng)攻??(gong)擊??(ji)自??(zi)身??(shen)組??(zu)織??(zhi)?，導(dǎo)??(dao)致??(zhi)類??(lei)風(fēng)??(feng)濕??(shi)關(guān)??(guan)節(jié)??(jie)炎?(yan)、1型??(xing)糖??(tang)尿??(niao)病??(bing)等??(deng)疾??(ji)病??(bing)??。。