U.S. Diplomats In China Exhibiting Signs Of Minor Brain Injury After Hearing Strange Sounds

First Cuba, now China. A medical mystery appears to be deepening. American diplomats in Guangzhou, China, are reporting strange symptoms, symptoms the State Department says are similar to those that would follow a concussion or minor traumatic brain injury. It's not clear yet whether this might be related to events in Cuba, where you'll recall diplomats have also fallen ill after saying they heard odd sounds.