Lyn thank you
That is exactly how it happened.This was over 2 years after I had been treated for prostate cancer(brachytherapy)
My first doctor explained it to me about the fight or flight responses etc
I am glad I went to the second about my knee not my depression or who knows how I would be
Thankfully I can more or less control it now.
CBT counselling helped a lot
Will try and look at the Macmillan leaflets as would still like to make sense of it all