• About 9 million Americans, ages 6-19, are overweight.

• City drinking water contains fluoride, which helps strengthen your teeth and prevent cavities.

• Not drinking enough water can cause dry, itchy skin, nose bleeds, acne and headaches.

• Water is needed in every cell of your body for nourishment and waste removal.

• Water keeps your body cool by allowing you to sweat.

• Drinking coffee, tea and soda, which contain caffeine, causes the body to lose fluid, which can lead to dehydration.

• You need to drink water before, during and after any physical activity, even if you don't feel thirsty.

• By the time you feel thirsty, you've already lost about 1% of the water from your body.