Brakandi ný rannsókn: the amount of calories being burned during a fasting day and a non-fasting day are roughly the same (about 2000 Kcals), however during fasting a lot more of these calories are coming from fat. And, since the subjects were not eating any fat while fasting, this fat must have been body fat. The authors found the typical benefits that are associated with fasting: No decrease in Energy Expenditure - metabolic rate DID NOT slow down A decrease in RQ - indicating an increase...