This is because our blood is 90% water and water is essential for the kidneys and other bodily functions. When dehydrated, the skin can become more vulnerable to skin disorders and wrinkling.
Explanation: Drinking eight glasses of water a day can help you boost your immune system functions. Because the body is made up of water and relies on its so heavily to perform its functions, drinking more of it can help ensure there is no interruption in the system.
To prevent dehydration, you need to drink adequate amounts of water. There are many different opinions on how much water you should be drinking every day. Health authorities commonly recommend eight 8-ounce glasses, which equals about 2 liters, or half a gallon.