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Men's Weekly

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Explainer: what is the blood-brain barrier and how can we overcome it?

  • Written by Jürgen Götz, Director, Clem Jones Centre for Ageing Dementia Research, The University of Queensland
imageBrains are precious. We can't just let any old thing in.Neil Conway/Flickr, CC BY-SA

The brain is precious, and evolution has gone to great lengths to protect it from damage. The most obvious is our 7mm thick skull, but the brain is also surrounded by protective fluid (cerebrospinal – of the brain and spine) and a protective membrane called...

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