There is new hope for an effective cancer treatment for some of the most hard to battle forms of the disease.
Currently in human clinical trials, scientists have successfully taken immune cells out of the body, re-engineered them to be better prepared to fight cancer cells and inserted them to destroy those cells.
In one study, 94 percent of participants suffering from acute lymphoblastic leukemia (ALL) said their symptoms vanished completely after they were treated with the modified blood cells, known as T-cells.
In another study, 80 percent of patients with non-Hodgkin's lymphoma responded positively to the treatment, while more than half ended up symptom-free.
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