What happens when you overuse medication? Besides the obvious overdose, what happens? The opponent the medicine was fighting grows immune, and this is the case with what happened when you try to treat illnesses with magic for generations? Good job.
Older than Celestia herself, the Elements of Harmony were once in the care of the five most powerful beings known. This is the legacy of what they did to prepare the future to how it is now... 5000 years ago.
Hey, I'm just an average guy leading an average life. Well, I was up until being transported to a weirdo magical world. Now, I'll find my way back or die trying; either option would be better than staying in this female-infested place. - RGRE
Everyone always says that life is a gift. But what if you're life was a trade? What if the only reason your alive is because your friend traded her life for your's? This is the question that Fluttershy now faces, as Rainbow Dash lies still
I recommend you give it a read it's quite good for a first