Stress was found to turn off the brain's natural response to satiation, which is to stop eating, and thus, encourage rewarding continued eating, in a new study that could explain why we crave high-calorie 'comfort food' when chronically stressed. The study found that this happened in the brain's lateral habenula, which when activated usually dampens reward signals and, thus, stops a person from eating when satiated or full. "Our findings reveal stress can override a natural brain response that diminishes the pleasure gained from eating - meaning the brain is continuously rewarded to eat," said Herbert Herzog, senior author of the study and Visiting Scientist at the Garvan Institute of Medical Research, Sydney, Australia. The researchers also said that their study showed how chronic stress could promote weight gain and obesity and, thus, highlighted the need for a healthy diet during stressful times. Their work is published in the journal Neuron. While some people are seen eating le
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