Almost

Kyle and Sarah were already waiting for him outside. Their wounds were many, but they could all heal on their own without leaving any after-effects, except for some nasty scars.

That was another Aether-related issue. Their vitality and metabolism was much better than before, but the healing process hadn't really changed. As soon as a wound was too large, spontaneous healing without adequate sutures would necessarily leave some unsightly traces on the scar tissue.

This was all the more true since the number of possible cell divisions by each cell was in principle limited. High Vitality was not a sufficient reason to be repeatedly injured. At least, as long as their genetics remained that of a human.

Stem cell culture, cell dedifferentiation using growth factors, 3D printing of skin or organs, or telomere elongation were all solutions that existed in theory in the 22nd century, but they were still expensive state-of-the-art technology.