Dr. Hans Keirstead, the doctor who injected human stem cells into paralyzed rats and saw them walk again, believes that embryonic stem cells, cells extracted from a fertilized human egg that can grow into any type of cell in the body, are a medical milestone seen only every 100 years.

“I have never seen in my career a biological tool as powerful as the stem cells. It addresses every single human disease,” says Keirstead.

So when he injected them into the spine of a paralyzed rat, they replaced the damaged spinal cells that were causing the paralysis. The rat walked again.

“I think the use of embryonic stem cells is an ethical and responsible thing to do with tissue that would have been destroyed.”

“If you think that (the embryo) is a holy thing, then value it . … Use it for research and the betterment of lives. Don’t throw it away.”

Source: CBS News


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