This, however, seems to suggest that the therapy actually reduces pre-existing scar tissue: > the breakthrough therapy dramatically improved severely injured s

This, however, seems to suggest that the therapy actually reduces pre-existing scar tissue: > the breakthrough therapy dramatically improved severely injured spinal cords in five key ways: (1) The severed extensions of neurons, called axons, regenerated; (2) scar tissue, which can create a physical barrier to regeneration and repair, significantly diminished;