Most of us have learned a lot about insulin, the hormone produced by the beta cells that works to let muscle and fat cells take up glucose from the blood, hence keeping our blood glucose (BG) levels at healthy levels.

We know that if we have diabetes we don't have enough insulin to keep those BG levels in healthy ranges. Even if we have type 2 diabetes, and we're still producing a lot of insulin, our insulin resistance is making that insulin a lot less effective, so we have relative insulin...