James Harrison was injured in the accident and 13 years old, and learned that the blood donors who have contributed to save his life, he decided to donate blood at the age of eighteen, to be discovered that the installation of the plasma in the blood of a rare and treats a disease called "Rhesus disease - rhesus" infect pregnant women and cause injury to the fetus of many diseases. James has donated blood more than 1000 times and saved more than two million mother and fetus.