It can cause massive long term brain damage such as having a foggy brain, some can also lead to problems with your eyesight. But most importantly if receiving a concussion before one is healed can cause severe brain swelling.
RHo(D) immune globulin can cause an abnormal breakdown of red blood cells. This effect can lead to life threatening blood clots or organ failure
They could make a matrial that wolnt rust, and that will not wear down/ break
I believe it is nephropathy which can lead to kidney failure and death.