I don't see any logic in that myself. I can't afford eating fresh food all the time. Ending months are usually tight...

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I LOVE cheese

maybe they are just comparing the difference when eating everythign hot and eating it cold. when you eat something hot, you sweat a lot, so meaning that you burn a little fat along, but when you eat it cold, you just don't sweat...maybe that's what they meant!

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no there is no such thing as cold food making you fat! where have you got such an idea? and how do you think that this could be the reason for you to get fat?
if you eat cold food, you may not be burning the fats from the food, but i hope that you dont eat raw meat! if you have cooked it once, and ate it cold after some hours, then theres no worry as for getting fat with it, but there could be some bacteria that has contaminated the food, but this wont be the case if kept properly.