Care to elaborate?
Should probably fill in a bit about why I would even ask:
I started thinking of a backstory for a manga, nothing serious just messing around, and the setting is few hundreds of years from now, human has overcome death by aging and disease, people have forgotten about death and a group of terrorist sabotaged the tech and people starts deteriorating. <--- silly I know.
And I started thinking about the possibility of immortality, or if it is even possible.
Then I started looking at some referenced sites, talking about salamander's fibroblast cells, or stem cells...
Then come to this.
The sole reason that I would think that ethics and morals do come as blockade is because for science fields like human biology (and all the branches like human-cell, human-neuron), and western modern medicine/surgeon/health are limited from human testing because it's inhumane. I don't know how to say this without sounding like a person going straight to hell, but I do think human testing will greatly benefit for science in those particular areas.