13. Cancer Prevention
As mentioned, when you allow your body to become dehydrated toxins will build up within the cells. When there are toxins within your cells it may cause them to behave erratically. They may even begin multiplying and become out of control.
It is thought that taking in enough water can help prevent certain types of cancer such as leukemia. It may also help reduce the risk of colon and bladder cancer as well.
The reasoning behind this is that it is thought that drinking enough water will help keep the systems within the body normalized, which results in toxins being flushed and the body running as it should.