# 你得學會衡量自己需要多少水分、辨別身體口渴跡象並即時補充水分,而不是依照教科書建議按表操課。最後一點非常值得探究,因為擊倒許多跑者的不是脫水,而是飲水過量造成的低鈉血症(水中毒)。——《跑過荒野》
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