Retrieves, but does not remove, the head of the queue represented by this deque (in other words, the first element of this deque). This method differs from peek only in that it throws an exception if this deque is empty.
A Lack Of Water Is A Lack Of Brain Power. Led by Dr. Caroline Edmonds, researchers in the UK recently conducted a study showing that even mild dehydration has a negative effect on the brain's performance. Drinking water, the researchers found, can improve the brain's ability to complete tasks that require a rapid response.
âWhen you drink coffee, your body is retaining much of that fluid-especially for people who are habituated to drinking caffeine, as the body adapts, resulting in a reduced loss of fluids.â. Dr Kitchin said some people also believe that drinking very cold water can help them lose weight.any dieters attempt to fill themselves up with water in the belief it will help them lose weight. But one nutrition expert says it is simply a myth that drink water aids slimming. Dr Beth Kitchin, at the University of Alabama, has stated that drinking water is not a magical key to weight loss.