Isn't water fascinating?Our bodies are made up of 60-70 %  water- Coffee, tea and soft drinks contain caffeine - not just water. The diuretic effects of caffeine make your body lose water.-Our brains need water. Why? Studies have shown that if you are only one percent dehydrated, you will likely have a 5 percent decrease in cognitive function. If your brain drops 2 percent in body water you may suffer from fuzzy short-term memory, experience problems with focusing, and have trouble with math calculations.- Don't take water for granted. One billion people worldwide have no access to safe drinking water. -Half of the world's hospital beds are filled with people who suffer water related illnesses.