Successful permanent weitght loss only occurs with an increase in metabolism exposure to extreme cold temperatures increases the body39s metabolic rate improves blood circulation increase a muscle tone resaulting in pasive weight loss helps restore proper body fat disribution the extreme cold exposure causes to the body to turn up its metabolic rate in order to produce heat this effect lasts for 5 8 hours after the procedure causing the body to 39burn39 500 800 kcal over th