When food was scarce, our ancestors' survival depended on conserving energy, and regaining the weight when food was available would have protected them against the next shortage.
Kur ushqimi ishte i rralle,  mbijetesa e paraardhesve tane varej nga konservimi i energjise, dhe rimarja e peshes kur ushqimi ishte i mundshem do ti mbronte ata gjate mungeses se rradhes.