This undated handout photo provided by Ohio State University shows an all purpose voodoo doll. A quick candy bar may stave off more than hunger. It could prevent major fights between husbands and wives, at least if a new study involving voodoo dolls is right. Psychology researchers monitored the nightly blood sugar levels of 107 married couples for three weeks, asking them to stick pins in a voodoo doll representing their spouses to measure aggression. They found that the lower the blood sugars, the higher the crankiness, and the more pins pushed into the voodoo doll, according to a study released Monday in the Proceedings of the National Academy of Sciences. The people with the lowest glucose scores pushed twice in general as many pins on average as those with the highest blood sugar levels, the researchers said. (AP Photo/Jo McCulty, Ohio State University)
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