Could low blood sugar make you so "hangry" you'd be more prone to abusing your spouse? That's what a new study tried to find out. Its methodology: Monitoring married couples' blood sugar levels, asking the couples to stick pins in voodoo dolls representing their spouses and making them play a game that involved blasting obnoxious noises into each other's ears. "Low glucose levels might be one factor that contributes to intimate partner violence," the study's authors wrote of their findings.