Professor Hallux explores the side-effects of not drinking enough water. It can make you lose your concentration and cause headaches – and can even result in serious illness!

<p>Professor Hallux explores the side-effects of not drinking enough water. It can make you lose your concentration and cause headaches &ndash; and can even result in serious illness!</p>

We're the UK's children's radio station. Listen across the UK on DAB Digital Radio, on mobile and online at funkidslive.com.

<p>We're the UK's children's radio station. Listen across the UK on DAB Digital Radio, on mobile and online at funkidslive.com.</p>

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