Yep, that's true. Basically, if you get a physical and they do lab work, they may read your levels to be such that you are in the danger zone of developing type 2 diabetes. People absolutely CAN prevent this from happening. Losing weight is a very good at and this is often accomplished through physical fitness (on a regular basis) and eating a healthy diet. High in vegetables, low in sugar/fat. Whole grains and fiber. This is one health issues that many can have a direct affect on by their own actions.