"The American Medical Association has confirmed that HFCS is no more likely to contribute to obesity than table sugar or other full-calorie sweeteners," the post continued. "Please be assured that Coca-Cola brand soft drinks do not contain any harmful substances."

Cola's potential switch to cane sugar, sparking interest in "cane sugar Coke" and "Mexican Coke." While Coca-Cola acknowledged discussions, health experts caution that cane sugar may not be significantly healthier than high-fructose corn syrup.