Yes, water is a food. The body needs water for virtually all of its functions. Drinking plenty of water will flush your body of toxins, keep your skin fresh, and help you eat less. It will also help you avoid travel lag, symptoms of overexposure to the heat or sun, and junk-food cravings. Have plenty of water and increase your liquid intake. If you are going to a warm place, then don't forget to keep energy drinks handy and keep a check on your glucose levels.