Yes, thanks for posting the joke....it's also a valid point!
Mark - I've never had a cervical MRI - they've done four on me in the last 18month for my lower back (yes 4!) but wasn't allowed to have top half done at same time - partially to do with private medical insurance - they will cover lower back but won't cover top. It's nonsense. Could there be some connection to bowel problems and cervical problems?
As for magnesium.....not heard of that. Am currently trying one and a half sennakot as two was apparently too much!
Thanks for the advice.....I did email my surgeon who is on holiday at the moment and will let you know what he says when he gets back to me. My knees keep giving way - have no idea why.