According to our timelines, pretty much everyone and their mom is a medical expert or scientist these days. These self-styled "experts" throw around knowledge that is factually untrue and sometimes even downright dangerous. And it's extremely satisfying when these wannabe Einsteins get schooled by actual professionals on social media. This gallery is full of that delicious dunking. We hope these numbskulls learned their lessons and maybe even starting cracking some actual books.