When recordings of a strange sound in Havana go public, some wonder if these “Havana Syndrome” health problems are real or imagined. We take a critical look through the research – and enlist the help of a mentalist – to try to answer the question: is this whole thing in our heads? For ad-free listening, early access to new episodes and exclusive bonus content, subscribe to Project Brazen's channel on the Apple Podcasts app. You can try the subscription free for 7 days by going to apple.co/the-sound www.soundistheweapon.com