Hi Robs, there are some articles on bodybuilder.com http://www.bodybuilding.com/fun/bbinfo.php?page=insulin that might help with your questions. Has you doctor even tried to put you on metformin before going to insulin?
Nelson, do you know of any follow up research on this "second type" of insulin resistance? I wonder if this same issue may take place in younger adults.If used correctly, insulin can be very anabolic. But it has lots of risks if not used properly. Here is a study:
Insulin Boost Restores Muscle Growth In Elderly