The 8×8 rule has become a health goal for many. But when it comes to healthy skin, eyes and having bags of energy, the research tells another story

Before you read this article, can I just check you’ve drunk enough water today? You might want to refill your bottle because, remember, if you wait until you feel thirsty, you may already be dehydrated. No one is sure where this advice came from, but it’s all over the internet.

Source: The truth about hydration: should you drink eight glasses of water a day? – The Guardian