Washington: Sleep deprivation can make us crave for junk food more than healthy food, a new study has revealed.Researchers at UC Berkeley scanned the brains of 23 healthy young adults, first after a normal night`s sleep and next, after a sleepless night by using functional magnetic resonance imaging (fMRI).They found impaired activity in the sleep-deprived brain`s frontal lobe, which governs complex decision-making, but increased activity in deeper brain centers that respond to rewards. Moreover, the participants favored unhealthy snack and junk foods when they were sleep deprived.
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