Shocking Parasites Inside the Human Body

WARNING! This video may creep you out. While some parasites can actually do good in the human body, many do not. In fact, some of the bad ones are downright terrifying. Join Hank Green for a creepy look into the world of parasites—but you’ve been warned! Like Scishow on Facebook: Follow Scishow on Twitter: References for this episode can be found in the Google document here: