There appears to be much success with Adult Stem Cell Therapy.
http://donmargolis.com/blog/2009/03/adult-stem-cell-research-a-miracle-for-multiple-sclerosis-patient/
An alternative to invasive is increasing our natural release of our Adult Stem Cells from bone marrow using natural botanicals, such as AFA. AFA used in a concentrate form, has been proven to increase your natural release 25%, or 2-5 million more adult stem cells for repair in 30-60 minutes.
Maureen