When we think parasites, we often think of illness, disease, and discomfort. But did you know some of them can actually be helpful? Join Stefan Chin and learn all about them in a fun SciShow compilation all about the world of parasites! SciShow is on TikTok! Check us out at https://www.tiktok.com/@scishow ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Chris Peters, Matt Curls, Kevin Bealer, Jeffrey Mckishen, Jacob, Christopher R Boucher, Nazara, charles george, Christoph Schwanke, Ash, Silas Emrys, Eric Jensen, Adam, Brainard, Piya Shedden, Alex Hackman, James Knight, GrowingViolet, Sam Lutfi, Alisa Sherbow, Jason A Saslow, Dr. Melvin Sanicas, Melida Williams ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: http://www.scishowtangents.org/ Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishow ---------- Original Episodes: Human Parasites - https://www.youtube.com/watch?v=ABeBqbBy2Lo Brood Parasites - https://www.youtube.com/watch?v=HpIhSLXQ5oc Mind-controlling Parasites! - https://www.youtube.com/watch?v=uvdiYg6ZN-U Toxoplasmosis: How Parasites in Your Cat Can Infect Your Brain - https://www.youtube.com/watch?v=FNm_MjrIUAI Why Don't Humans Get Heartworm? (Spoiler: We Do) - https://www.youtube.com/watch?v=8ilHOgTXnp0 Why You Might Want Parasitic Worms - https://www.youtube.com/watch?v=qD6fmHUXBEg