How is obesity related to type 2 diabetes, hypertension, and heart disease?

We have an epidemic of obesity in the United States, and there is concern for the health of both adults and children. How is obesity related to type 2 diabetes, hypertension, and heart disease? Discuss this topic by addressing these three chronic diseases One question to consider is can type 2 diabetes, hypertension, and heart disease be eliminated or reversed by losing weight?