system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: What exactly is Stem Cells treatment and why is is so beneficial and so frowned upon.
gpt
Stem cells are cell that can be turned into just about any other cell, which makes them nice to help repair damaged cells. The problem people have with them is the way they were collected. They can collect them from a variety of sources now, and mostly through non-invasive, non controversial means. They used to be only from aborted fetuses.