As I’ve said for quite a while, it’s not just reducing calories, but also chosing those that are whole and natural and unprocessed.  Here’s a book that brings forth this information but also gives us a dose of how the processed food industry stimulates the pleasure center of our brain and turns us into food junkies.
The End of Overeating: Taking Control of the Insatiable American Diet, by Dr. David A. Kessler