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.
Water drinking games can help you drink more water. Just remember not to drink too much water, since that can be fatal. Water pong is similar to Beer Pong, just with water. If you commit to playing it once a week, you'll manage to increase your water intake considerably by month's end.