What Is One Major Benefit of Using Stem-Cell Therapies for Regenerative

What is one major benefit of using stem-cell therapies for regenerative therapy versus drugs?

A) Stem-cell therapy is less invasive because it does not require surgery or injections.
B) Stem-cell therapy can specifically target one cell type,whereas drug therapy is less specific.
C) Stem-cell therapy allows the patient to recover more quickly.
D) Stem-cell therapy is generally easier and less expensive than drug therapy.
E) All of the above.