The debate over the use of Embryonic stem cells and the questionable effectiveness of adult stem cells have led many scientists and clinicians to concentrate their energies on umbilical-cord-derived stem cells from healthy newborn babies. Amassing a very respectable track record in terms of safety and clinical utility cord-blood stem cells can treat many diseases such as multiple sclerosis amyotrophic lateral sclerosis stroke diabetes heart disease and certain degenerative eye disorders.