In most cases the human body can heal itself. There are times when the body has taken too much abuse over the years and man made medication needs to intervene. However, as I first stated, the human body can heal itself.
Your article pretty much covers everything we need to know. But to keep it simple, switching to raw veggies, and a low fruit diet (fructose) will help give the body it needs to repair itself and build a stronger immune system.
With that, drinking a lot of clean water and moderate exercise, anyone can turn the effects of diabetes. It's just going to be the will power of the individual that will be the main culprit in the rejuvenation process.