September 11, 2018 – Have you ever noticed that warning about raw or undercooked seafood at the bottom of restaurant menus? Ever wondered why it’s there? Because fish carry a ton of parasites, and if they aren’t prepared correctly then those parasites can make it into your body. But it turns out, this fishy intersection with the wild world of parasites can teach us a lot about how these moochers help keep ecosystems healthy, and why we should protect them.

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It’s Okay To Be Smart is hosted by Joe Hanson, Ph.D. Director: Joe Nicolosi Writer: Shaena Montanari, Ph.D. Creative Director: David Schulte Editor/animator: Sara Roma Producers: Stephanie Noone and Amanda Fox Produced by PBS Digital Studios You can learn more at Stay curious and SUBSCRIBE! ►►

REFERENCES: Parasite Evolution… The World’s Parasites Are Going Extinct. Here’s Why That’s a Bad Thing… History of Human Parisitology… Parasites in Seattle Sushi… Dramatic evolution within human genome may have been caused by malaria parasite… Parasite Rex by Carl Zimmer… Interviews and conversations with: Colin J. Carlson (National Socio-Environmental Synthesis Center) Chelsea L. Wood (University of Washington)