Does Coca-Cola mislead consumers by refusing to acknowledge the validity of studies suggesting soft drinks contribute to obesity?

Topic: Please read Social Responsibility Case Study: Coca-Cola’s Fight Against Obesity on pages 77-78 of the text and answer the following: Is Coca-Cola’s stance that its products do not contribute to obesity unethical? Does Coca-Cola mislead consumers by refusing to acknowledge the validity of studies suggesting soft drinks contribute to obesity?