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Water and our bodies

Water and our bodies

Here’s what Wikipedia says about the human body and its need for water:

Our bodies are somewhere between 55 and 78% water, depending on your size. We need 1–7 litres of water a day to avoid dehydration. The amount varies depending on level of activity, temperature, humidity and other factors.

Most of this is taken via food or drinks other than drinking straight water. It’s not clear how much water healthy people need, but most advocates agree that 6–7 glasses of water (approximately 2 litres) daily is the minimum for good hydration. If you have healthy kidneys, it’s quite hard to drink too much water, but (especially in warm humid weather and while exercising) it’s dangerous to drink too little.

But be careful not to drink too much water while exercising, as this can lead to hyperhydration, a serious condition. The idea that we should have eight glasses of water per day can’t be traced to a scientific source. Source: Wikipedia

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