Science writer Seth Mnookin set out to write a book on whether vaccines were dangerous, but discovered the issue was more complex than he'd thought. Every week the Story Collider brings you a true, personal story about science. Find more here: http://storycollider.org/ Seth Mnookin teaches in MIT's Graduate Program in Science Writing. His most recent book, The Panic Virus: The True Story Behind the Vaccine-Autism Controversy, was one of The Wall Street Journal's Top Five Health and Medicine books for 2011 and is a finalist for the Los Angeles Times Book Prize. He is also the author of the 2006 New York Times-bestseller Feeding the Monster and 2004's Hard News, which was a Washington Post Best Book of the Year. He's a contributing editor at Vanity Fair and blogs at the Public Library of Science.Learn more about your ad choices. Visit megaphone.fm/adchoices