Health & Safety NIH scientists, studying Havana syndrome patients, find no physical trace of harm 7:12am March 19, 2024 by Jon Hamilton Share URL copied to clipboard! Copyright 2024 NPR. To see more, visit https://www.npr.org. 300x250 Ad More Morning Edition World News Russia marks 80 years since World War II victory over Nazi Germany by Leila Fadel National President Trump fires Librarian of Congress Carla Hayden 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate