Irrc, in one of the articles posted about Metformin on HN a couple weeks ago, they discussed how diabetes patients on Metformin were living longer and had less

Irrc, in one of the articles posted about Metformin on HN a couple weeks ago, they discussed how diabetes patients on Metformin were living longer and had less cancer than people with diabetes who were on other diabetes medications. That does seem to counteract the effect you were suggesting.