However, Suglia and Briggs both said parents would do well to ban sugary drinks for kids.
Water is a calorie-free way to hydrate, and milk gives kids needed nutrients, such as protein, calcium and vitamin D. Even fruit juice, Suglia noted, should be avoided if it has added sugar.
"Whether or not research reveals that this link between soda and aggression holds true, there are plenty of well-documented negative effects of soda consumption in childhood," Briggs said.
"Why take chances?" she added.
The American Academy of Pediatrics has advice on kids' diet and lifestyle.
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