According to a recent research dehydration alters human brain shape and activity and even slackens task performance. A Georgia Institute of Technology study suggests that when dehydration strikes part of the brain can swell neural signaling can intensify and doing monotonous tasks can get harder. The researchers also found that even without dehydration exertion and heat put a dent in test subjects' performance but water loss made the dent about twice as deep. We wanted to tease out whether exercise and heat stress alone have an impact on your cognitive function and study the effect of dehydration on top of
