"The severity of judges' sentences increased as lunchtime approached, only to become significantly more lenient after the lunch break."
"Self-control key to inhibiting aggressive behavior consumes large amounts of glucose. So, when glucose is scarce, the ability to regulate impulses decreases."
"Food deprivation for more than a day significantly increases aggression among males, even as their physical condition deteriorates."
"Hunger increases the perceived value of the food resource and the motivation to defend it, resulting in more conflicts and confrontations."
Hunger can significantly alter mood, making individuals more negative, irritable, and aggressive. Research indicates that hunger affects decision-making, exemplified by the 'hungry judge effect' where judges issue harsher sentences as lunchtime nears. The physiological explanation links aggression to brain energy availability and glucose levels. Self-control, crucial for regulating behavior, is compromised when glucose is low. Studies in fruit flies reveal that food deprivation increases aggression, highlighting the biological roots of the 'hangry' phenomenon across species.
Read at english.elpais.com
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