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Bushman on Sweets (2): Sugar, Sugar, Sugar, Sugar, Sugar, Sugar, Sugar, Sugar, Sugar

If you like to read about sugar or about aggressiveness, Brad J. Bushman [pictured here] and colleagues have a study perhaps worth some moments of your time:

Sweetened blood cools hot tempers: physiological self-control and aggression,” C. Nathan DeWall, Timothy Deckman, Matthew T. Gailliot, Brad J. Bushman, Aggressive Behavior, 2011 Jan-Feb;37(1):73-80. The authors explain:

“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.”

BONUS: The song “A Spoonful of Sugar”, in the movie “Mary Poppins” (thanks to investigator Kurt Verkest for suggesting it, and suggesting “Sugar, Sugar“):

BONUS (May 18, 2012): “Confusing messages about sugar are stupid

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