There are an estimated one billion people in the world that are obese. There has been a significant amount of discussion on how the number of obese people has risen dramatically in the last decade or so. Many researchers feel that in order to understand the obesity statistics today, there has to be research conducted regarding the history of obesity.
- The evolution of transportation has been listed as a contributing factor to the rise in obesity.
- The amount of processed foods that are readily available is also a factor.
- 1903's patenting of trans fats was a significant factor in the increase of obesity.