Water helps flush away excess fat during weight loss. Water dehydration in the human body can lead to a host of ailments like allergies, asthma, migraine headaches and hypertension. The most common cause of constipation is not enough water. The blood sends nutrients to the muscles and carries away waste products, such as carbon dioxide and lactic acid. When the body has insufficient water reserves, the blood is hindered from its function.
Blood is thicker when it is lacking in water and the heart has to work harder.
Water will increase the efficiency of the cardiovascular system. A lack of water in the kidneys will overload the liver. The ability of the liver to metabolize stored fat into energy is reduced when there is a decrease in body water. A decrease in water intake will cause fat deposits to increase, an increase will reduce fat deposits. The body will retain water when its supply is low and most people think if they cut down on the water, they will be less apt to retain it.