Why do humans need water to stay healthy?

Where is the headquarters of United Health Group located? Does a fever of 109 degrees Fahrenheit kill you? How is achondroplasia passed on? What is most imp in life money or health? What happens if you drink actimel that has expired? Does an action ever outweigh the respect due an individual? When people get older do their lips start to get thinner? How does prioperception help posture? What is the white stuff around nail and cuticle? What should I do as a boy loved me madly and is waiting for me knowing that I have no feelings for him? Can out of date paracetomol harm you? The importance of pH scale in homeostasis? Why when a person is first diagonosed with kidney failure they are put on dialysis first rather than a transplant? Why is iron by the body? Would a tongue swell for no reason? Is a glucose level of 141 high? Will stressing out while in early pregnancy cause red spotting? What does it mean if a wound weeps after an operation? Medical students can train on patient simulators and experience firsthand how a human would react to their treatment? What helps changes light rays into neural impulses?