The clinics and many satisfied patients herald stem cell treatments as the next great advance in medicine.
But critics contend that the current marketplace is based on unproven science.
And these clinics dont disclose when patients dont see any improvement or hadserious complications.
Thats because their usage is considered a medical procedure, not a drug.
Stem cells are also trendy in cosmetic procedures.
For this form of a face-lift, stem cells are injected along with fat to plump up the skin.
Theres scant evidence that the procedure works better than standard face-lifts.
What are stem cells?
Stem cells also stimulate the formation of blood vessels that nourish damaged tissue with nutrients and oxygen.
Twenty years ago, stem cells were touted as the next frontier in medicine.
