The article is unspecific about what these compounds do to regular stem cells. It would be interesting to know if the most effective compound also kills regula

The article is unspecific about what these compounds do to regular stem cells. It would be interesting to know if the most effective compound also kills regular stem cells, or if it somehow distinguishes between cancer and non-cancer cells. (What happens to tissue when you take away its stem cells, anyway? Does it just age more rapidly? Or die off?)