I've drunk chilled water with all meals since I went on a diet some years back. Started drinking then 'cos apart from the "it fills you up", I was also told a) some foods absorb water & physically swell therefore taking up more room in your stomach, b) if the water's cold, the body has to work that (little !) bit harder to get it to body temperature which pushes up the metabolic rate. Old wives tales ? Don't care, I was always a bit of a podge until I started with the water, & my weight's been pretty stable ever since - must be over 10 yrs now :o)