In an attempt to improve public health, the city council has proposed a ban on sugary drinks. Proponents of the ban argue that reducing the availability of these beverages will lead to lower consumption, thereby decreasing obesity rates and related health issues. Opponents contend that banning sugary drinks infringes on personal freedom and that education about healthy eating would be a more effective strategy.
Which of the following, if true, would most significantly strengthen the argument in favor of the sugary drinks ban?