For anyone trying to lose weight, this question is bound to raise a lot of excitement. Surely losing weight cannot be such a simple issue, can it? well, the answer is YES! You can actually lose calories by drinking ice water. Your body loses calories in the process of warming this ice water to the body temperature. Now any enthusiast, must surely be thinking, if we can lose weight by drinking ice water, can we lose a large amount of calories if we drink lots of ice water? Well, to answer this question we have to look at some simple calculations.