Dry skin is one of the earliest signs of dehydration and can lead to other complications if not managed properly. Lack of water could result in lack of sweat which means the body would be unable to wash away excess dirt on the skin. Digestive IssuesStaying hydrated helps strengthen the mucus in the stomach walls and prevents stomach acids from doing any damage. FatigueAs stated earlier, when the body lacks water it borrows from the blood which is the major carrier of oxygen in the body. Joint PainsTo keep the bones from grinding against each other, water is vital because cartilages and spinal discs are made up of mostly water.

Source: The Guardian January 17, 2018 07:52 UTC