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# 浮潛/潛水完點解會覺得特別急尿？
- URL: https://200ok.babilabs.com/immersion-diuresis-snorkeling-diving/
- Published: 2026-08-13T10:18:13.000Z
- Updated: 2026-08-13T10:19:56.000Z
- Author: 霸豬
- Tags: 十萬個為甚麼, 旅遊

話說[浮潛完](https://200ok.babilabs.com/ishigaki-barasu-island-snorkeling/)勁急薯薯，心諗咩料，明明朝早都唔係飲好多水啫。搵一搵google原來係「浸入性利尿」Immersion Diuresis。主要係因為海水比較凍，當身體浸入啲較涼嘅海水嘅時候，四肢同皮膚嘅微血管會收縮，將血液推返去心臟同軀幹，令到大腦以為你嘅身體水分過多，血壓過高而發出命令去減壓，叫個腎臟加速製造尿液。平均潛40分鐘左右就會想去廁所 🚾。呢個狀況其實你嘅身體都係脫緊水，所以上返岸一定要飲返多啲水或者電解質。見啲人話其實要識喺海度去廁所，之前玩獨木舟都已經試過喺海度去廁所，但今次浮潛都係上返船先覺得勁急🤣，所以忍到搵到廁所先有得去。

之後嘅浮潛同落海玩我已經都唔客氣了⋯⋯😶