Running is good for your health, but going over the limit may put you at risk of severe complications, especially for long-distance runners if they get dehydrated. Dehydration causes the body to circulate blood to the brain and the heart first before they supply to the other organs.

Kidney disease is one of the most common diseases that can occur to everyone, not only to the elderly. The most common risk factors for kidney disease are diabetes, high blood pressure, heart disease,