I know a man, who had stem cell therapy on knee. He had no cartilage left after years of doing electrician work. He had constant pain. He had stem cell therapy on the knee and the pain is gone and cartilage is building. The cost was $5K. So, it's not just for rich people. Stem cell therapy will get more popular and it's certainly better than having bones sawed off and adding knee replacement mechanisms, etc.
Of course, medical insurance doesn't cover it because the medical community is so far behind the times.
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