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Glass of water key to exam success?
Wednesday April 18, 2012 08:41:49 PM,
IANS
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London: Simply a glass of water could be the key
to exam success, say British researchers.
Students who took a drink into the exam hall did up to 10 percent
better than those who did not - the difference between a grade,
the Daily Mail reported Wednesday.
Although it is unclear why a drink should help, one theory is that
information flows more freely between brain cells when they are
well hydrated.
Researchers said that drinking water may also calm nerves, while
those who became thirsty during test time could be more easily
distracted.
The study, which looked at hundreds of university students,
compared whether they took a drink - such as water, coffee or cola
- into the exam with their final marks.
The students' overall academic ability was then factored in, to
ensure that the results were not skewed by the possibility that
smarter students are also more thirsty.
The study was presented at the annual conference of the British
Psychological Society.
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