Maybe this will help...
https://www.universetoday.com/tag/isaac-newton/
True, because people tend to hang on the careers more than jobs. For example, if I were to work as a doctor, I might switch to being a pediatrician or a nurse. My career would still be health.
Answer:
Social classes and urbanization would be the answer to this question.
The economic consequence which doesn't relate to obesity in this case would be D - the cost of services for chemotherapy. The amount of money that chemotherapy costs is largely unrelated to obesity levels either of the one who's giving it or the one who's receiving it.