How Many Oz of Water Should You Have a Day

How Many Oz of Water Should You Have a Day

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You’ve probably heard the classic rule: eight glasses of water a day, which equals about 64 ounces. That’s like chugging a small bathtub’s worth of water every month. But guess what? That “rule” is more of a flexible suggestion than a hard law.

Your body is not a one-size-fits-all water bottle. A marathon runner in Arizona needs way more than someone binge-watching Netflix in a basement (I’m looking at you, friend). The Institute of Medicine actually says men should aim for about 125 ounces total from all fluids, and women around 91 ounces. But that includes water from food, coffee, and that soup you had for lunch!

So, 64 ounces? It’s a great baseline, but please don’t set a timer and punish yourself like a thirsty robot. Your body is smarter than that.

Signs You’re a Walking Raisin

How do you know if you’re dehydrated? Your body has a built-in alarm system: your pee. If your pee is the color of lemonade, you’re golden. If it looks like dark apple juice, you need to drink up, stat.

Other clues? You feel tired, get a headache, or your mouth feels like a desert in a drought. Thirst is a late sign, so don’t wait until your tongue is sticking to your teeth. I once forgot to drink water during a gaming marathon, and I swear I could hear my brain cells screaming for mercy.

渡辺 美咲
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渡辺 美咲

心身ともに健康で持続可能なライフスタイルをテーマに、最新のウェルネストレンドを発信中。