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Daily water intake recommendations vary by body weight, activity level, climate, and diet. The widely cited "8 glasses a day" is not evidence-based; individualised calculation is more accurate. About 20% of water intake comes from food.
ステップバイステップガイド
- 1Base requirement: approximately 33ml per kg body weight per day
- 2Activity: add 500ml for moderate activity, 1L for intense exercise
- 3Hot climate: add 500ml–1L
- 4Individual needs vary widely
解いた例
入力
70kg · moderate activity · temperate climate
結果
2.3L/day (~9 glasses)
70×33ml=2,310ml/day from drinks+food
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