We all know drinking water is important, but just how important is it? Water makes up about 60% of our body weight, so it’s absolutely vital to maintaining good health. It regulates our blood pressure and body temperature, it keeps our ears, nose, and throat moist, and our nails, skin, and hair are dependent on water to be healthy. Without enough water, we feel tired, sluggish, and can even think we are hungry when we are really just thirsty! Every body system, organ, tissue, and cell needs water to function properly. We know we need it to feel and look our best. But, how much water do we need?