A study reports that husbands’ aggressive behavior towards their wives is more pronounced when their blood sugar levels are low.
Among the factors likely to explain conjugal violence, the lack of self-control is often mentioned. However, the control of aggressive impulses requires energy, itself related to blood sugar.
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Pins stuck in a doll and noises in the headphones
This is what motivated a team of American and Dutch psychologists to conduct this study linking blood sugar to aggressive behavior. This was carried out with 107 married couples. To measure aggressive impulses, husbands stuck 0 to 51 pins every night for 21 days in a voodoo doll that represented their wives. To measure aggression, participants suddenly sent noise into earphones worn by their wives.
The lower the blood sugar, the more aggressive the behavior
The results of the study show that people with low blood sugar drove more pins into the voodoo doll and sent louder noises to their wives for longer than those without. Keeping blood sugar under control is widely considered beneficial to health, especially in diabetes. But, who knows, maintaining good general health and good nutrition also seems to have repercussions on behavior and become an important factor that helps to avoid the worst.
source:
Brad J. Bushman: Low glucose relates to greater aggression in married couples. PNAS first. https://doi.org/10.1073/pnas.1400619111
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