Water is now so cool that you can see celebrities carrying around gallons of water as the new accessory. The claims made on social media for excess water consumption include improved memory, mental health, increased energy, and better complexion. What does it mean to stay hydrated? Dehydration to most people means loss of fluids. Does the simple act of drinking water make people healthier? Hydration is really the balance of electrolytes in the body like sodium and water. We have all heard that the magic number is eight-eight ounce glasses a day. We need to take into consideration body size, outdoor temperature, how you are breathing and sweating. Then there are certain health conditions to consider like heart disease, kidney stones, diuretic drugs. It seems that the best way to stay hydrated is to drink when you feel thirsty. Even darker urine may not necessarily mean that you are dehydrated according to exercising scientists. Is water the only drink we need to stay hydrated. According to a study of 72 men the hydrating effects of water, coffee or tea were almost identical. Water also comes from fruits, vegetables, and soups. Are sports drinks necessary? Not really, there are hormones that send signals to the kidney when there is a need for anything in the blood. So, drink when you feel like drinking and your body will inform you if it needs more.