CNN

CIA physician Dr. Paul Andrews was one of the first people sent to Havana, Cuba, to investigate a spate of mysterious health incidents that were impacting ...

Some victims have been diagnosed with traumatic brain injuries, which he questions because even though he says AHIs are clearly brain injuries, they appear to him to be a different kind of brain injury than doctors have seen before. He has trouble reading, going hiking or jogging as it makes him nauseated, and forget being in a crowd at a museum: turning his head left and right to look at the art and avoid bumping into other patrons makes him dizzy and sick. "In fact, to this day, a lot of things that were done seemed not appropriate to my standards." For the rest of the day, Andrews said he was in a fog: nauseated, disoriented, and struggling with basic tasks like counting money and displaying his ID card to security staff. Former CIA officials have alleged that their injuries were not taken seriously at first by CIA leadership, in part because many of the symptoms were subtle and could be associated with any number of known health conditions. I don't want to be tripping and falling. He checked the bathroom "at least four or five times" to make sure he had his toothbrush, then did the same getting his coat out of the closet. issued early this year by a separate CIA task force examining who might be behind the episodes found that it was unlikely Russia or any other foreign adversary is conducting a widespread global campaign designed to harm US officials. Anomalous health incidents — AHIs for short — are still a source of mystery and debate within the intelligence community. On his way to meet colleagues at the hotel cafeteria, he couldn't figure out if he was supposed to push or pull doors. Andrews traveled to Cuba to investigate about two months after he became aware of the first cases. Because officials at the time suspected some kind of sonic attack, Andrews went into the bathroom and sat with headphones on for 45 minutes.