Eating too much salty food is harmful to your kidneys because it increases the risk of chronic kidney disease and accelerates kidney degeneration.
Water is necessary for sustaining life. It enables the body to function properly, prevents kidney stones, makes the skin firm, and helps with the excretory system.
Chronic kidney disease involves a gradual loss of kidney function. The kidneys filter wastes and excess fluids from the blood, which are then removed in the urine.