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.
Good benefits of drinking water in the morning: 1. Drinking water on an empty stomach cleans the colon, making it easier to absorb nutrients.2. Creates the production of new blood and muscle cells. 3. Essential for weight loss, drinking cold water first thing in the morning can accelerate your metabolism.4.Healthy looking Skin, water helps to eliminate toxins from the blood making your skin glow and look clear and smooth. 5. Balances your Lymph System.. Essential for weight loss, drinking cold water first thing in the morning can accelerate your metabolism. 4.Healthy looking Skin, water helps to eliminate toxins from the blood making your skin glow and look clear and smooth. 5. Balances your Lymph System.