口渴的活儿：脱水如何影响你的大脑

Thirsty work A handful of studies suggest that dehydration could be slowing you down, cognitively speaking. Helen Thomson explores how much water we really need to stay sharp ONE of the stranger things I’m known for among my friends is that I never get thirsty. Ever. Not after exercising, not even after a sauna. Unless I actively remind myself, I simply forget to drink. It’s only in the extraordinarily hot UK weather of late that I’ve begun to wonder whether this biological blind spot is contributing to my recent brain fog and general lack of cognitive sparkle. Is dehydration to blame, and if so, how much should I drink to keep my brain working at its best? …