And so her parents Sarah and Anthony discovered a clinic in the US which they believed to be their last hope.After months of experimental tests, Erin was discharged from Seattle Children's Hospital last week.
Incredibly, surgeons were able to remove the blade which had pierced his skull by more than 3 inches (right).
Scans (left) revealed the 10-inch blade had lodged into his eye-socket, with the tip reaching his brain.
Incredibly, he survived and surgeons operated to carefully remove the blade, even saving 90 per cent of his sight in his left eye.
He told local media: 'I tried to take the blade out myself, but I couldn't, it was too tightly wedged in.
Protein hydrolysates, or hydrolyzed proteins, have been around for a while, but some lifters have questioned their efficacy.
Here's what the science says, and 4 situations where hydrolysates can help you!Gabrielle de Fiebre was in the mall to buy hiking boots with her grandmother in 2009 when she felt a pain surge from her neck down her arms.An active final-year college student, she thought it was strange but assumed nothing of it.She carried on walking, sporadically stretching and bending in a bid to ease her muscles.A British girl who raised 0,000 to travel to the US for life-saving cancer treatment is now in remission.Six-year-old Erin Cross has battled acute lymphoblastic leukaemia for three years and had exhausted all other treatment options.