Drinking extra water sounds counter-intuitive, but it actually alleviates water retention, and creates a healthier environment for all of your cells, making the fat cells easier to shrink. Stronger bones, stronger immune system, stronger muscles, the list of the benefits of hydration shouldn't be underestimated. Human beings are mostly water. The best way to stay hydrated, is to get as many of your calories from water based foods as possible (vegetables, beans...)