Here, the real mathematics

As you know, 1 calorie - the amount of energy consumed for heating 1 gram of water by 1 degree Celsius.

So, if you drink a liter of cold beer, a temperature of 4 degrees Celsius, then your body will spend to heat it to body temperature following items Number of energy:
 1000 grams X (37C-4C) = 1000 x 33 = 33,000 calories.

If we consider that the energy value of a liter of beer about 10,000 calories, it turns out 23 thousand. Hudeniya pure calories, which equates to 30 minutes of jogging.

Therefore - drink plenty of cold beer to lose weight

Theorem, her mother !!!