Revised intro

In the current millennium, with so many advancements in science, we should not hinder the progress of stem cell researching. How you ever wondered whether there is a cure to various life-threatening diseases? Have ever wondered if that would be the medicine of the future? However, good things definitely have a bad side to it too. Stem cell research is definitely useful, but is there a different side that has not been published? In this essay, I will demonstrate both sides of the story and hope that you would take the same stand as me.