Article

Sweetened blood cools hot tempers: physiological self-control and aggression

Department of Psychology, University of Kentucky, Kastle Hall, Lexington, USA.
Aggressive Behavior (Impact Factor: 2.27). 01/2011; 37(1):73-80. DOI: 10.1002/ab.20366
Source: PubMed

ABSTRACT Aggressive and violent behaviors are restrained by self-control. Self-control consumes a lot of glucose in the brain, suggesting that low glucose and poor glucose metabolism are linked to aggression and violence. Four studies tested this hypothesis. Study 1 found that participants who consumed a glucose beverage behaved less aggressively than did participants who consumed a placebo beverage. Study 2 found an indirect relationship between diabetes (a disorder marked by low glucose levels and poor glucose metabolism) and aggressiveness through low self-control. Study 3 found that states with high diabetes rates also had high violent crime rates. Study 4 found that countries with high rates of glucose-6-phosphate dehydrogenase deficiency (a metabolic disorder related to low glucose levels) also had higher killings rates, both war related and non-war related. All four studies suggest that a spoonful of sugar helps aggressive and violent behaviors go down.

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Available from: Brad J Bushman, Jan 06, 2014
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