Yeah, can't imagine why would want to use them.
Macie Morse was born with optic nerve hypoplasia, meaning her optic nerve didn't develop all the way. The only way to repair it was to grow more of the nerve using umbilical cord stem cells.
She and her mother traveled all the way to China for an experimental treatment.
For 6 weeks Morse received injections of cord stem cells and acupuncture to stimulate the cells. Gradually, they took hold and began growing the optic nerve Morse was missing.
Watch the video at the link. As the young girl says "why are we in China?"
Maybe now Americans won't have to travel to freaking China to be cured of these horrible afflictions. Thank you, President Obama.