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.
4. Drink Water for Healthy Hair. Water helps the body to process and flush out toxins faster, which makes it a quick and easy natural method that will make your hair grow a lot faster. If you drink about 8 cups of water a day, not only will your body feel better, but your hair will get stronger. The stronger the hair, the faster that it grows. Drinking water also keeps your hair hydrated from the inside out. Hydrated hair is happy hair because, when dry, your hair is much more likely to break.