The good habit of drinking 8 glasses of water a day can increase metabolism (cold water) and will fill you up (hot water). Water can aid in weight loss, flush out toxins, as a result to get you healthier skin. Water also helps in the reducing risks of certain cancers, aids in digestion and constipation. But, make sure you drink a clean water. See Common Kitchen Ingredient Helps Clean Drinking Water.
Relieve fatigue by drinking water. Improve overall health. And all for 0 calories.