知识付费存在哪些问题？近七成受访青年首选内容质量参差不齐|我的丝袜美腿尤物麻麻

###xueyazhengchangzhidekepuzhishixueyashihengliangxinzangjixueguanjiankangdezhongyaozhibiao。tatongchangyilianggeshuzhibiaoshi，liru120/80mmHg，qizhong120weishousuoya，80weishuzhangya。shousuoyashixinzangshousuoshidongmaineideyali，ershuzhangyazeshixinzangfangsongshideyali。xueyadezhengchangzhifanweishiyigeguanjiandejiankangbiaozhi，duiyuyufangxinxueguanjibingzhiguanzhongyao。genjushijieweishengzuzhi（WHO）debiaozhun，chengrendezhengchangxueyafanweitongchangbeidingyiweishousuoyaxiaoyu120mmHg，shuzhangyaxiaoyu80mmHg。jiangzheyishuzhichengwei“120/80mmHg”，xuduorenkenenghuiduiciyousuoerwen。danshi，yaozhuyideshi，xueyadezhengchangfanweikenenghuiyinnianling、xingbie、tizhongjijiankangzhuangkuangdengyinsueryousuobutong。dangxueyazhizai120-129mmHg（shousuoya）he80-84mmHg（shuzhangya）zhijianshi，zheleixueyatongchangbeichengwei“shenggaoxueya”，erruguoshousuoyadadao130mmHghuoyishang，huoshuzhangyadadao80mmHghuoyishang，zekenengbeizhenduanweigaoxueya。manxinggaoxueyabujinzengjiaxinzangbingdefengxian，haikenengdaozhizhongfeng、shengongnengbuquandengyanzhongjiankangwenti。baochizhengchangxueyaduiyujiankangchangshouzhiguanzhongyao。richangshenghuozhong，tongguojiankangdeyinshi、shiliangdeyundong、kongzhitizhongyijijianshaoyali，keyiyouxiaodibangzhuweichixueyazaizhengchangfanwei。ciwai，dingqijiancexueya，tebieshiduiyuyougaoxueyajiazushiderenqun，gengshibiyaodezuofa。zongzhi，lejieheweihuxueyadezhengchangzhishimeigerendouyingzhongshidejiankangguanligongzuo。tongguokexuedefangfa，womenmeigerendou#(#)#(#)#(#)血(xue)压(ya)正(zheng)常(chang)值(zhi)的(de)科(ke)普(pu)知(zhi)识(shi)血(xue)压(ya)是(shi)衡(heng)量(liang)心(xin)脏(zang)及(ji)血(xue)管(guan)健(jian)康(kang)的(de)重(zhong)要(yao)指(zhi)标(biao)。(。)它(ta)通(tong)常(chang)以(yi)两(liang)个(ge)数(shu)值(zhi)表(biao)示(shi)，(，)例(li)如(ru)1(1)2(2)0/(/)8(8)0m(m)m(m)H(H)g(g)，(，)其(qi)中(zhong)1(1)2(2)0为(wei)收(shou)缩(suo)压(ya)，(，)8(8)0为(wei)舒(shu)张(zhang)压(ya)。(。)收(shou)缩(suo)压(ya)是(shi)心(xin)脏(zang)收(shou)缩(suo)时(shi)动(dong)脉(mai)内(nei)的(de)压(ya)力(li)，(，)而(er)舒(shu)张(zhang)压(ya)则(ze)是(shi)心(xin)脏(zang)放(fang)松(song)时(shi)的(de)压(ya)力(li)。(。)血(xue)压(ya)的(de)正(zheng)常(chang)值(zhi)范(fan)围(wei)是(shi)一(yi)个(ge)关(guan)键(jian)的(de)健(jian)康(kang)标(biao)志(zhi)，(，)对(dui)于(yu)预(yu)防(fang)心(xin)血(xue)管(guan)疾(ji)病(bing)至(zhi)关(guan)重(zhong)要(yao)。(。)根(gen)据(ju)世(shi)界(jie)卫(wei)生(sheng)组(zu)织(zhi)（(（)W(W)H(H)O(O)）(）)的(de)标(biao)准(zhun)，(，)成(cheng)人(ren)的(de)正(zheng)常(chang)血(xue)压(ya)范(fan)围(wei)通(tong)常(chang)被(bei)定(ding)义(yi)为(wei)收(shou)缩(suo)压(ya)小(xiao)于(yu)1(1)2(2)0m(m)m(m)H(H)g(g)，(，)舒(shu)张(zhang)压(ya)小(xiao)于(yu)8(8)0m(m)m(m)H(H)g(g)。(。)将(jiang)这(zhe)一(yi)数(shu)值(zhi)称(cheng)为(wei)“(“)1(1)2(2)0/(/)8(8)0m(m)m(m)H(H)g(g)”(”)，(，)许(xu)多(duo)人(ren)可(ke)能(neng)会(hui)对(dui)此(ci)有(you)所(suo)耳(er)闻(wen)。(。)但(dan)是(shi)，(，)要(yao)注(zhu)意(yi)的(de)是(shi)，(，)血(xue)压(ya)的(de)正(zheng)常(chang)范(fan)围(wei)可(ke)能(neng)会(hui)因(yin)年(nian)龄(ling)、(、)性(xing)别(bie)、(、)体(ti)重(zhong)及(ji)健(jian)康(kang)状(zhuang)况(kuang)等(deng)因(yin)素(su)而(er)有(you)所(suo)不(bu)同(tong)。(。)当(dang)血(xue)压(ya)值(zhi)在(zai)1(1)2(2)0-(-)1(1)2(2)9(9)m(m)m(m)H(H)g(g)（(（)收(shou)缩(suo)压(ya)）(）)和(he)8(8)0-(-)8(8)4(4)m(m)m(m)H(H)g(g)（(（)舒(shu)张(zhang)压(ya)）(）)之(zhi)间(jian)时(shi)，(，)这(zhe)类(lei)血(xue)压(ya)通(tong)常(chang)被(bei)称(cheng)为(wei)“(“)升(sheng)高(gao)血(xue)压(ya)”(”)，(，)而(er)如(ru)果(guo)收(shou)缩(suo)压(ya)达(da)到(dao)1(1)3(3)0m(m)m(m)H(H)g(g)或(huo)以(yi)上(shang)，(，)或(huo)舒(shu)张(zhang)压(ya)达(da)到(dao)8(8)0m(m)m(m)H(H)g(g)或(huo)以(yi)上(shang)，(，)则(ze)可(ke)能(neng)被(bei)诊(zhen)断(duan)为(wei)高(gao)血(xue)压(ya)。(。)慢(man)性(xing)高(gao)血(xue)压(ya)不(bu)仅(jin)增(zeng)加(jia)心(xin)脏(zang)病(bing)的(de)风(feng)险(xian)，(，)还(hai)可(ke)能(neng)导(dao)致(zhi)中(zhong)风(feng)、(、)肾(shen)功(gong)能(neng)不(bu)全(quan)等(deng)严(yan)重(zhong)健(jian)康(kang)问(wen)题(ti)。(。)保(bao)持(chi)正(zheng)常(chang)血(xue)压(ya)对(dui)于(yu)健(jian)康(kang)长(chang)寿(shou)至(zhi)关(guan)重(zhong)要(yao)。(。)日(ri)常(chang)生(sheng)活(huo)中(zhong)，(，)通(tong)过(guo)健(jian)康(kang)的(de)饮(yin)食(shi)、(、)适(shi)量(liang)的(de)运(yun)动(dong)、(、)控(kong)制(zhi)体(ti)重(zhong)以(yi)及(ji)减(jian)少(shao)压(ya)力(li)，(，)可(ke)以(yi)有(you)效(xiao)地(di)帮(bang)助(zhu)维(wei)持(chi)血(xue)压(ya)在(zai)正(zheng)常(chang)范(fan)围(wei)。(。)此(ci)外(wai)，(，)定(ding)期(qi)监(jian)测(ce)血(xue)压(ya)，(，)特(te)别(bie)是(shi)对(dui)于(yu)有(you)高(gao)血(xue)压(ya)家(jia)族(zu)史(shi)的(de)人(ren)群(qun)，(，)更(geng)是(shi)必(bi)要(yao)的(de)做(zuo)法(fa)。(。)总(zong)之(zhi)，(，)了(le)解(jie)和(he)维(wei)护(hu)血(xue)压(ya)的(de)正(zheng)常(chang)值(zhi)是(shi)每(mei)个(ge)人(ren)都(dou)应(ying)重(zhong)视(shi)的(de)健(jian)康(kang)管(guan)理(li)工(gong)作(zuo)。(。)通(tong)过(guo)科(ke)学(xue)的(de)方(fang)法(fa)，(，)我(wo)们(men)每(mei)个(ge)人(ren)都(dou)