From Vietnam to Vienna, reported cases of Havana Syndrome are on the rise. Diplomats, intelligence officials and their families are experiencing debilitating symptoms including headaches, dizziness, nausea and memory loss. Dr. James Giordano, Professor of Neurology and Biochemistry at Georgetown University Medical Center, has been investigating Havana Syndrome since the first cases were reported and discusses what we know, and what we still need to learn, with Jeanne Meserve.
