I really believe there is a correlation between the fast food industry and obesity in the United States. If you go back to the 1950s when the fast food industry was in its infancy, obesity wasn't a problem. Fast forward to the 21st century and you can find a fast food place just about every where and obesity is up. What do you think?
I believe that obesity has more to do with our lives getting more high-tech. Back on the early days people are lean and stronger because they are doing things manually. Now, with the technology coming in, most people are getting lazy to do manually.