Sometimes the best way to treat certain health issues to drink more clean water. Those suffering from diarrhea or constipation should drink water to either rehydrate lost fluids or soften their stool. Suffers of athletes foot and other fungal issues should drink water to prevent dry skin. For more on how water and other natural alternatives can help certain ailments, click here:: Oseophageal Cancer, Cholesterol, Athlete’s Foot, and Diarrhoea: What Researchers Say About Natural Interventions