> There have been numerous campaigns about eating healthy and as many people who have done the transformation from an unhealthy full of junk food diet to a healthy one with exercising can attest the benefits are there.

And yet america is fatter than ever and getting fatter quicker than ever.

I think it's time we accept that most people are sheep that give in to even the most primitive forms of manipulation, even after being made aware of it.

Or to put it a bit more delicately, our brain is hardwired to optimise for short term reward functions and the vast majority of us are unable to seek longer term rewards even when consciously desiring them.