As the authors, Bremer et al., note in Sugar-Sweetened Beverage Intake Trends in US Adolescents and Their Association with Insulin Resistance-Related Parameters, (J Nutr Metab. 2010), teens who are low and medium soda drinkers consume considerably less sugar sweetened beverages than high consumers (an overall mean consumption between .05 and 2.5 servings per day respectively, compared to an overall mean of 7.1 servings, or 57 ounces per day).
FORBES: Will A Soda Tax Really Save 26,000 Lives, Billions Of Dollars?