The link between chronic sleep deprivation and weight gain can be attributed to all the following EXCEPT sleep deprivation:
A. Enhances limbic brain responses to the mere sight of food and decreases corical inhibition.
B. Increases ghrelin, a hunger-arousing hormone, and decreases it hunger suppressing partner, leptin.
C. Increases cortisol, a stress hormone that stimulates the body to make hat.
D. Enhances the activation of the hippocampus, which produces hormones that trigger hunger.