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London: Drinking a glass of water could help you
do better in exams, researchers have suggested.
A new study found that students who took a drink, such as
water, coffee or cola, before taking an exam did up to 10%
better than those who did not — the difference between a grade.
It is unclear why a drink should help, but one theory
suggests that information flows more freely between brain cells
when they are well hydrated. Drinking water may also calm
nerves, while those who became thirsty during the test could be
more easily distracted, the Daily Mail reported.
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