Sugar and fructose feed the pleasure center of the brain. We feel good when we eat some sugar. Is a little bit okay? Sure. But how many people stop at just a little bit?
A huge proportion of processed foods contain sugar and its substitutes such as high fructose corn syrup. We consume far more sugar now than we ever have, and it's taking a toll on our health.
This report from 60 Minutes talks about the consequences of our society's addiction to sugar, and how the researchers are responding to their own findings.