Dr. Jennifer Elisseeff, stem cells to rebuild cartilages.

https://www.hopkinsmedicine.org/stem_cell_research/coaxing_cells/joint_repair.html

What a breakthrough that will be if she is successful.

Yes that would be huge if she is successful.
My cartilage is fine but the wifey has problems.

@Anderssen
I think ANY old person has cartilage problems. I am starting to feel it now. But I am a genuine old fart.....