Even more reasons why water is so good for you
7. It improves concentration
Because your brain is made of around 85% water if you get dehydrated it can affect your concentration and even your short-term memory.
It has a particularly strong effect on your maths skills and it's all because lack of water causes your brain's energy levels to decrease.
8. It boosts your energy
In the same way that not drinking enough water makes your brain slow down it has the same effect on your body.
For example, your muscles are around 75% water, your bones are about 22% and your blood is around 83%.
If you're dehydrated, all these body parts don't work as well as they should meaning you lack energy and feel tired or lazy.
- Find out more about boosting your energy
9. It supports your heart
The hardest working muscle of all needs a lot of water to keep it going at full speed.
When you get dehydrated your blood gets thicker so the heart has to work even harder. And if your heart is weak it can lead to more serious heart problems later in life.
A study by Eden found that drinking more than five glasses of water a day could cut your chances of having a heart attack by 41%, compared with people who drank less than two glasses a day.
Next: How much water should I be drinking?
Where next?
- How much water should you be drinking?
- Help your kids improve their concentration with our Exam Diet
- Other ways to boost energy
- Foods that are better than medicine
- Does an apple a day really keep the doctor away? Find out with our old wives' tales test
- Could your lifestyle be damaging your health? Our quiz can tell you
- Top tips for boosting your immune system naturally
By Vicky Woollaston
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