We've discussed this before on old babble I think. Here's a current discussion under way:
McDonald's Is Poisoning Consumers -- And Blaming Everyone Else for the Catastrophic Societal Costs
excerpt:
But the American public is increasingly seeing through the antics. In a recent Corporate Accountability International poll conducted by Lake Research partners 57 percent of Americans said they believe the fast food industry was, "responsible...for the increase in diet-related diseases and health conditions." This is a three-fold increase over a similar Gallup poll conducted in 2003.