One moment, please http://amdd.theides.org/accutane/ 20mg accutane journal female  Marcks,private insurance doesn't really enter this equation. The main factors would be lifestyle related eg healthy eating, exercise and not smoking. That is not to say that all poorer people do not eat well or do not exercise or that all poor people smoke. However it is to say that a greater proportion do. As the article says part of this is due to education also. Screening may be an element here also, although the national cancer screening programmes for breast, cervical and now colorectal cancer are all state funded and free.