This is one of those health topics that is not over hyped by the media. Maybe it should be.
Diabetes And Cinnamo – is Cinnamo A Cure For Diabetes?
Cinnamo seems to act similar to insulin and can help the activity of insulin.

This looks like it could be a big help to those with type 2 diabetes. In type 2 diabetes, the cells of the body have become resistant to insulin. Cinnamon lowers the blood glucose levels.