Water is the key to life on this planet, and our bodies are in desperate need of it. Adequate water improves metabolism, decreases blood pressure, and keeps a good flow going within our bodies. Inadequate hydration can impair the immune system and causes sluggish mental processing. The average adult human body is made up of approximately 60% water.

A quick way to figure how much to you need to drink daily is to take half your body weight in pounds, then drink that much in ounces (140 lbs; 70 ounces).