Stem cells are under study to treat everything from cancer to Parkinson's. Researchers have uncovered some potential new sources that offer additional opportunities for research.

Stem cell transplant
Stem cell transplants can bring certain cancers and other diseases under control, or even cure them. Find out what's involved in this complex procedure.

Video: How a stem cell transplant works
During stem cell transplant treatment for cancer, healthy stem cells migrate to your bone marrow.