Injections of human stem cells seem to directly repair some of the damage caused by spinal cord injury, according to research that helped partially paralyzed mice walk again.
Human stem cell don't just help humans
they helped mice walk again so they are not just for humans which makes it correct.
( z1 help :polarity - :ARG0 ( z2 cell :mod ( z3 stem ) :mod ( z4 human ) ) :ARG1 ( z5 human ) :mod ( z6 just ) )