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Believe you me Sqad, if I could I would get the results of all his investigations.
The questions you have asked are the exact questions I have been asking all along. The majority of the info I have been getting is from my in laws and they have no grasp of medicine.
I shall wait until things have settled down more, and then try and find out more direct from the parents. Dad is a physio so hopefully he will have a better understanding.
When I know more, I will let you know.
Many thanks again people.