Dehydration happens when our bodies lose more water than we take in so our water balance is disturbed. Considering that we are about 70% water – it’s easy to figure out just how important it is to keep our water well and truly balanced.
Just because we’re made up of a lot of water, it doesn’t mean we can afford to get casual about losing the odd cupful here and there. All that water’s there for a reason so if we lose a bit of it (from sweating or going for a pee for instance), we need to replace it. Simple.
But just how much water are we talking about when it comes to proper dehydration territory? How much do we have to lose? And what happens when we get dehydrated anyway – is it really that dangerous?
Taking a roughly average adult bodyweight of 80 kg – here’s how much (or little) water we have to lose for it to cause trouble:
by Bob Fear
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The key facts, figures and statements in this article are unashamedly, and with lots of good will and much humble debt, heavily lifted from the hydration toolkit produced by the Royal College of Nursing and the NHS as well as the NHS Choices website.
If you want to know more about healthy hydration from the professionals – pop along to the NHS site.
Image from Getty