Amid accusations that its Global Energy Balance Network was little more than a Coca-Cola-funded shill using real doctors to downplay the role of sugary drinks in the current obesity epidemic, the University of Colorado School of Medicine recently returned a $1 million donation to the beverage biggie. But newly revealed e-mails show the direct influence that Coke bought with this supposed anti-obesity organization. The AP has uncovered a number of e-mails between the president of GEBN — a Colorado med school professor — and Coke’s chief health and science officer that demonstrate the soda company’s intention with funding an organization that rightly stressed the importance of exercise and balance diets but deliberately attempted to remove the yoke of blame from Coca-Cola. • An Oct.