\n\n
\n\n(图片来源:电视剧《三十而已》)
\n\n\n\n\n\n\n\n但这样的拼命给她带来了机会,也让她累得瘫倒在地。同事担心地跑过来询问,她依旧坚强地说“没事”。其实,她已经腰疼了好几天。
\n\n\n\n(图片来源:电视剧《三十而已》)
\n\n\n\n\n\n\n\n下班后,她一个人跌跌撞撞地回到出租屋。
\n\n\n\n(图片来源:电视剧《三十而已》)
\n\n\n\n\n\n\n\n虽然疼得出汗,和妈妈通电话时还是报喜不报忧,没想到话没说完就晕了过去。
\n\n\n\n\n\n(图片来源:电视剧《三十而已》)
\n\n\n\n\n\n\n\n醒来时她身在病床上,原来是妈妈打的急救电话。
\n\n\n\n大夫告诉她这是急性肾炎,来晚了要出大问题。而罪魁祸首,竟是因为她经常憋尿。
\n\n\n\n看到这里,屏幕上出现了表示震惊的弹幕。
\n\n\n\n忙起来没时间上厕所,是再常见不过的事情。不就是有点难受而已,至于那么严重吗?
\n\n\n\n不吓你们,真的至于,甚至还可能整个爆掉噢!
\n\n\n\n下面就给大家讲讲,憋尿对人体的 4 大迫害。
\n\n\n\n\n\n下拉继续看解析……
\n\n\n\n\n\n要了解憋尿的危害,先得了解一下尿是怎么来的。
\n\n\n\n我们的肾脏就像两个“清道夫”,能过滤血液中的代谢废物,形成尿液,然后再通过下方的输尿管送到膀胱。
\n\n\n\n\n\n膀胱像个有弹性的水库,能膨胀以储存更多的尿。膀胱下方有尿道,负责泄洪,闸门则由尿道外括约肌把守。
\n\n\n\n(图片来源:TED-Ed: “Is it bad to hold your pee? - Heba Shaheed”)
\n\n\n\n\n\n\n\n通常尿量达到 300-400 毫升时[1][2],水库就会通过特定“通道”,发信息给大脑,“该泄洪了!”
\n\n\n\n\n\n只有大脑判断可以小便后,尿道外括约肌才会开闸泄洪。
\n\n\n\n(图片来源:TED-Ed: “Is it bad to hold your pee? - Heba Shaheed”)
\n\n\n\n\n\n戳视频,看更多↓
\n\n\n\n \n\n\n\n如果大脑一直下令尿道外括约肌“禁止通行”,膀胱就会长期“绷着”。
\n\n\n\n\n\n(图片来源:网络)
\n\n\n\n\n\n\n\n如果这样的事经常发生,那些负责收缩-排尿的膀胱肌肉,会渐渐减少弹性和敏感性[3][4],就像被撑坏的橡皮筋,导致小便时收缩力不够,不能完全排空,总会残留一部分在膀胱里,更容易引发感染。
\n\n\n\n更严重的是,如果膀胱实在装不下,可能会倒逼上游,发生肾积水。
\n\n\n\n\n\n正常情况下,膀胱里的尿是无菌的,但如果有细菌跑进来,尿就会变成它们的温床。
\n\n\n\n偏偏,憋尿可以“引狼入室”。
\n\n\n\n尿道口后面是肛门,这里有一种名为“大肠杆菌”的细菌[5],它们能利用菌毛和细胞外膜上的蛋白质,附着在尿道口上。正常喝水、小便,能冲掉一些细菌,尿道也有一定抵抗能力。
\n\n\n\n而如果经常不喝水、不小便、憋尿,这些细菌就可能往上扩张,感染尿道、膀胱。甚至逆流而上感染肾脏。
\n\n\n\n\n\n(图片来源:网络)
\n\n\n\n\n\n\n\n此外,经常不喝水,会让尿液浓缩,刺激膀胱黏膜[6];长期憋尿,会压迫膀胱壁血管,造成膀胱黏膜缺血,让膀胱变得脆弱,难以抵御细菌入侵,也就更容易发生感染[7][8][9]。
\n\n\n\n女性的尿道口离肛门更近,又邻近阴道口,加上尿道短,细菌更容易上升到膀胱,所以尿路感染、膀胱炎等在女性中更普遍[10][11]。
\n\n\n\n\n\n\n\n膀胱越膨胀,膀胱壁会越薄,就像被吹大的气球,越大越有破裂的可能。
\n\n\n\n加上膨胀时,膀胱会向上移动,部分“脱离”周围脂肪和骨骼的保护[12],如果此时遭遇会心一击……
\n\n\n\n(图片来源:网络)
\n\n\n\n\n\n\n\n哦豁!
\n\n\n\n(图片来源:网络)
\n\n\n\n\n\n\n\n你将会听到心碎的声音。
\n\n\n\n\n\n\n\n长时间憋尿后小便,可能发生“排尿性晕厥”。
\n\n\n\n憋尿后小便,膀胱迅速收缩,腹腔的压力急剧减少,会强烈地刺激迷走神经,进而引起心跳变慢,血管反射性地扩张。
\n\n\n\n这时,到达心脏的血液就会减少,大脑暂时供血不足,人就会晕过去[13]。
\n\n\n\n(图片来源:网络)
\n\n\n\n\n\n\n\n所以,集美们,能不憋尿,真的不要憋尿鸭!
\n\n\n\n也许很多人会说,但长大后,就是有那么挣扎、无奈呀,不是我们不想健康,但实在有太多身不由己。
\n\n\n\n\n\n\n\n那就在力所能及的范围内,尽可能对自己好一点吧!
\n\n\n\n\n\n\n\n那句“身体是革命的本钱”,听起来土土的吧?但确实,每年都有很多人用他们的经历告诉我们,健康能换钱,但当你想换回健康时,即使用再多的钱,也换不回来了。
\n\n\n\n希望每个“王漫妮”都能实现自己的价值,也能保持健康,更爱自己一点。
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