Stuff like this is what makes me go 'Humanity, fuck yeah!'
Sure, some of us are savage nasty retarded backwards monsters, but the ones which do glorious science, the ones which do glorious healing, are marvels.
Imagine what would happen if you told people in the 1920's that 'I 'healed' an amputee', they'd either laugh, or proclaim you a god, yet now its commonplace, its mundane.
Now we just need to vat grow limbs.
Imagine the ability to bring anyone back from any physical state, excluding dead.