Wow, thank's for all of the info. As for the questions:

- I do have a back injury from many years ago. The pain specialist tried several of the spinal injections but they made no difference so he gave up. I need to see a neuro at the U of Penn hospital but haven't made it yet.

- I've never smoked in my life (proud of that).

- If I need to take the B12 an hour before anything else, I also need to take the Nexium an hour before eating. It's going to be a little tough to wait 2 hours after waking in the morning to eat breakfast.

- I've tried using epsom salts but they don't seem to make much difference than using just plain warm water. I am careful of the temperature since I have some numbness.

- I shovel very little but have a large driveway. I use a large snowblower but still need to walk a good bit.

* Again, thank's for all of the responses.