According to WHO the # 1 cause of death worldwide is by Heart Attack caused by narrowed arteries. In Mexico Diabetes is the #2 cause of death after heart attack, which runs a narrow first. Mexico is #6 in the world in death by Diabetes... In the U.S. the #1 cause of death is Coronary Heart Disease. However, the U.S. ranks #135 in this category. Diabetes is the 7th cause of death in the U.S. behind Breast Cancer, Lung Disease, Alzheimers Disease, Stroke and Lung Cancer. The U.S. is #3 in the world in Alzheimers, and #9 in the world in Lung Cancer and Parkinson's Disease.
Now getting into the "nitty gritty" thanks to NIH: A study done in the U.S. between 2000-2004 shows that the risk of developing Diabetes Mellitis in the lifetime of an 18-year-old in that year for Women was 12% for underweight/normal weight, 31% for overweight and 66% for Obese and for Men was 16% underweight/normal weight, 27% for overweight and 63% for Obese... .