冷水澡更凉快?待在室内不中暑?一起看看关于高温防暑的误区|欧美性色黄大片
央视网消息:这么热的天,防晒帽子戴得越严实越好?待在室内就不会中暑了吧?洗冷水澡降温快?这些说法是真的吗?一起来看看关于高温防暑的误区。
高温天气下,待在室内就不会中暑?错。“室内≠安全”,高温天气下,即使足不出户,仍然可能中暑。专家表示,中暑是由于人体内的热量不能及时散发出去,造成的体内蓄热,所以如果室内温度高,湿度大又不通风,如果不开空调或者电风扇,就给中暑提供了环境条件。由于老年人体温调节机能相对比较弱,就更容易发生中暑。
夏天洗冷水澡,更容易降温?
夏天冲冷水澡确实能带来一时的凉爽,但它并不是最理想的降温方式。冷水洗澡,皮肤骤然被冷水刺激,皮肤血管会瞬间收缩,反而减少了散热,导致核心温度下降变慢。另外,冲完冷水澡以后,皮肤血管重新扩张,大量血液涌向皮肤,可能会造成血压波动,头晕甚至晕厥。剧烈运动后的人群为了散热毛孔是打开的,如果骤然被冷水刺激毛孔关闭,体内的热量更不容易散发出来,也更容易中暑。正确的做法应该是用温水冲凉,效果会更好。水温大约在32~35摄氏度,比体温略低,这样既可以带走热量,又可以避免体表血管剧烈收缩。所以,冷水澡是瞬间爽,而温水加蒸发才是真正的降温。
外面阳光灼热,出门前“全副武装”,用防晒衣、防晒帽子把自己遮的严严实实,是不是就不会中暑了?
防晒帽并不是戴得越严实,越防越防暑。防晒帽的作用是防晒,而防暑是既要防晒还要透气。如果透气性能差,头部产生闷热的这种感觉出汗受阻,反而增加了中暑的风险,所以要遮得住阳光,散得走热量,才能真正防暑。
###shoudoushizenmehuishishoudou,yixueshangchengweizhenchan,shiyizhongbuzizhudejirouchandong,changchangyingxiangdaoshouzhi、shouzhangheqianbi。shoudoudeyuanyinyouhenduo,congshengliyinsudaoxinliyinsu,zaidaogezhongjibing,junkenengdaozhizheyixianxiangdefasheng。shouxian,changjiandeshengliyuanyinbaokuopilao、guodujinzhanghuozhekafeiyinsheruguoduo。dangwomenjingligaoqiangdudejingshenyalihuozheshentipibeishi,jiaoganshenjingxitonghuibeijihuo,daozhishoubujirouchuxianchandong。ciwai,sherudalianghankafeiyindeyinliao,birukafei、chahenengliangyinliao,yekenengdaozhishoudou。kafeiyinshiyizhongxingfenji,keyicijishenjingxitong,congeryinfabuzizhudejirouzhenchan。qici,chuleshengliyinsu,mouxieyaowudefuzuoyongyekenengdaozhishoudou。liru,yixieyongyuzhiliaoxiaochuan、yiyuzhenghegaoxueyadeyaowukenenghuizaiyonghushenshangchanshengcileifanying。tingzhishiyongzhexieyaowuhou,shoudouzhengzhuangwangwanghuijianqinghuoxiaoshi。zhenduigengyanzhongdeqingkuang,shoudouyekenengshimouxieshenjingxitongjibingdezhengzhuang,rupajinsenbinghuoduofaxingyinghuazheng。pajinsenbinghuanzhechangchangchuxianjingtaizhenchan,biaoxianweishouzhizaijingzhizhuangtaixiadebuzizhuchandong。ciwai,jiazuxingzhenchan(EssentialTremor)shiyizhongyichuanxingjibing,tongchangzaidongzuoshibiaoxianmingxian,danzaixiuxishijianshao。xinliyinsuyeburonghushi。jiaolv、yiyudengxinlijiankangwentikeyidaozhishentidebutongbuweichuxianzhenchan。zaijinzhang、jiaolvdezhuangtaixia#(#)#(#)#(#)手(shou)抖(dou)是(shi)怎(zen)么(me)回(hui)事(shi)手(shou)抖(dou),(,)医(yi)学(xue)上(shang)称(cheng)为(wei)震(zhen)颤(chan),(,)是(shi)一(yi)种(zhong)不(bu)自(zi)主(zhu)的(de)肌(ji)肉(rou)颤(chan)动(dong),(,)常(chang)常(chang)影(ying)响(xiang)到(dao)手(shou)指(zhi)、(、)手(shou)掌(zhang)和(he)前(qian)臂(bi)。(。)手(shou)抖(dou)的(de)原(yuan)因(yin)有(you)很(hen)多(duo),(,)从(cong)生(sheng)理(li)因(yin)素(su)到(dao)心(xin)理(li)因(yin)素(su),(,)再(zai)到(dao)各(ge)种(zhong)疾(ji)病(bing),(,)均(jun)可(ke)能(neng)导(dao)致(zhi)这(zhe)一(yi)现(xian)象(xiang)的(de)发(fa)生(sheng)。(。)首(shou)先(xian),(,)常(chang)见(jian)的(de)生(sheng)理(li)原(yuan)因(yin)包(bao)括(kuo)疲(pi)劳(lao)、(、)过(guo)度(du)紧(jin)张(zhang)或(huo)者(zhe)咖(ka)啡(fei)因(yin)摄(she)入(ru)过(guo)多(duo)。(。)当(dang)我(wo)们(men)经(jing)历(li)高(gao)强(qiang)度(du)的(de)精(jing)神(shen)压(ya)力(li)或(huo)者(zhe)身(shen)体(ti)疲(pi)惫(bei)时(shi),(,)交(jiao)感(gan)神(shen)经(jing)系(xi)统(tong)会(hui)被(bei)激(ji)活(huo),(,)导(dao)致(zhi)手(shou)部(bu)肌(ji)肉(rou)出(chu)现(xian)颤(chan)动(dong)。(。)此(ci)外(wai),(,)摄(she)入(ru)大(da)量(liang)含(han)咖(ka)啡(fei)因(yin)的(de)饮(yin)料(liao),(,)比(bi)如(ru)咖(ka)啡(fei)、(、)茶(cha)和(he)能(neng)量(liang)饮(yin)料(liao),(,)也(ye)可(ke)能(neng)导(dao)致(zhi)手(shou)抖(dou)。(。)咖(ka)啡(fei)因(yin)是(shi)一(yi)种(zhong)兴(xing)奋(fen)剂(ji),(,)可(ke)以(yi)刺(ci)激(ji)神(shen)经(jing)系(xi)统(tong),(,)从(cong)而(er)引(yin)发(fa)不(bu)自(zi)主(zhu)的(de)肌(ji)肉(rou)震(zhen)颤(chan)。(。)其(qi)次(ci),(,)除(chu)了(le)生(sheng)理(li)因(yin)素(su),(,)某(mou)些(xie)药(yao)物(wu)的(de)副(fu)作(zuo)用(yong)也(ye)可(ke)能(neng)导(dao)致(zhi)手(shou)抖(dou)。(。)例(li)如(ru),(,)一(yi)些(xie)用(yong)于(yu)治(zhi)疗(liao)哮(xiao)喘(chuan)、(、)抑(yi)郁(yu)症(zheng)和(he)高(gao)血(xue)压(ya)的(de)药(yao)物(wu)可(ke)能(neng)会(hui)在(zai)用(yong)户(hu)身(shen)上(shang)产(chan)生(sheng)此(ci)类(lei)反(fan)应(ying)。(。)停(ting)止(zhi)使(shi)用(yong)这(zhe)些(xie)药(yao)物(wu)后(hou),(,)手(shou)抖(dou)症(zheng)状(zhuang)往(wang)往(wang)会(hui)减(jian)轻(qing)或(huo)消(xiao)失(shi)。(。)针(zhen)对(dui)更(geng)严(yan)重(zhong)的(de)情(qing)况(kuang),(,)手(shou)抖(dou)也(ye)可(ke)能(neng)是(shi)某(mou)些(xie)神(shen)经(jing)系(xi)统(tong)疾(ji)病(bing)的(de)症(zheng)状(zhuang),(,)如(ru)帕(pa)金(jin)森(sen)病(bing)或(huo)多(duo)发(fa)性(xing)硬(ying)化(hua)症(zheng)。(。)帕(pa)金(jin)森(sen)病(bing)患(huan)者(zhe)常(chang)常(chang)出(chu)现(xian)静(jing)态(tai)震(zhen)颤(chan),(,)表(biao)现(xian)为(wei)手(shou)指(zhi)在(zai)静(jing)止(zhi)状(zhuang)态(tai)下(xia)的(de)不(bu)自(zi)主(zhu)颤(chan)动(dong)。(。)此(ci)外(wai),(,)家(jia)族(zu)性(xing)震(zhen)颤(chan)((()E(E)s(s)s(s)e(e)n(n)t(t)i(i)a(a)l(l)T(T)r(r)e(e)m(m)o(o)r(r))())是(shi)一(yi)种(zhong)遗(yi)传(chuan)性(xing)疾(ji)病(bing),(,)通(tong)常(chang)在(zai)动(dong)作(zuo)时(shi)表(biao)现(xian)明(ming)显(xian),(,)但(dan)在(zai)休(xiu)息(xi)时(shi)减(jian)少(shao)。(。)心(xin)理(li)因(yin)素(su)也(ye)不(bu)容(rong)忽(hu)视(shi)。(。)焦(jiao)虑(lv)、(、)抑(yi)郁(yu)等(deng)心(xin)理(li)健(jian)康(kang)问(wen)题(ti)可(ke)以(yi)导(dao)致(zhi)身(shen)体(ti)的(de)不(bu)同(tong)部(bu)位(wei)出(chu)现(xian)震(zhen)颤(chan)。(。)在(zai)紧(jin)张(zhang)、(、)焦(jiao)虑(lv)的(de)状(zhuang)态(tai)下(xia)