The ‘drink more water’ message has been drilled into most of us since we were kids, and it’s a widely held belief that you need to drink 2 litres/8 glasses of water per day to prevent you from becoming dehydrated. But is this actually the case?

Actually no, not exactly. Yes, humans need water (it’s essential for basically all of the things our body does including digestion, absorption of nutrients and even keeping us at the right temperature), and it’s true that we need roughly about 2-2.5 litres per day, but there’s a bit more to it than that. [Read more…]