A recent case report of a spinal mass in a patient with spinal cord injury who received an olfactory mucosa implant shows that stem cells are not risk-free, even when done at a reputable hospital rather than at a for-profit quack stem cell clinics.

A recent case report of a spinal mass in a patient with spinal cord injury who received an olfactory mucosa implant shows that stem cells are not risk-free, even when done at a reputable hospital rather than at a for-profit quack stem cell clinics.