text:  And Eiko Fried, a methodologist, psychologist, and associate professor at Leiden University in the Netherlands. Welcome, both of you, to Science Friday. I'm so excited to have this conversation. Thanks for having us on. Yeah, good to be with you. Thank you. Just a heads up, this conversation is about post-traumatic stress disorder. If you or someone you know needs to talk, you can call 988 from any phone for the Suicide and Crisis Lifeline.