we don't know how the body works...we really don't know about the immune system as much as we'd like - and that's a fact
how many times have you been to the doctor, you explain what's going on, and they just shrug their shoulders. and they just prescribe something for your symptoms...well that's what they do - they treat symptoms
getting to the bottom of it, takes a lot of your own work, and just like doctors and scientists, you're gonna make mistakes along the way as you learn
well...that's what's happening thoughout this - they're making mistakes along the way, and they're looking back at those decisions, saying "hey, we made a mistake then because we knew less" and we accept that because we know that's how things go
so that's where we are - making mistakes along the way, and you should be aware, that's what's going on, and you're best bet is to NOT run out there and inject yourself with something that's still being learned about