Here's some info on diabetes, a problem we must treat as both a health challenge and a function of socioeconomic class (there, I said it).
http://www.diabetes.org/uedocuments/NationalDiabetesFactSheetRev.pdf
http://www.diabetes.org/diabetes-statistics.jsp
http://www.diabetes.org/uedocuments/NationalDiabetesFactSheetRev.pdf
http://www.diabetes.org/diabetes-statistics.jsp