I wouldn't either. I was banned from giving blood by the Red Cross back in 1994 because I showed illness back at that time and they were questioning all of this. I was part of the plasmapheresis program. I was very honoured to be part of that, so when I was told no, I was wondering what was going on there.
We need to go in depth on a lot of things that Veterans Affairs and Canada have not even scraped the surface on.