The brain’s waste disposal system can prevent swelling after

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The damage that occurs days after a blow to the head can be more dangerous than the initial injury

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One of the biggest dangers from serious head injuries isn’t always the initial damage, but an after-effect that occurs in the following hours and days, when excess fluid builds up in the brain, compressing nerve cells.

Now, a study in mice suggests that a cocktail of three drugs, already used for high blood pressure, can ease this fluid build-up and improve recovery after a blow to the head.

It has long…

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