US govt halts medical study into Havana Syndrome, cites 'coercion' of participants

NIH cancels ‘Havana syndrome’ research, citing unethical coercion

Robotic ‘Third Thumb’ expands hand’s range of motion, carrying capacity | Study showed, 98 percent of participants successfully manipulated objects with the Third Thumb, with only 13 unable to perform the task within the first minute.

Havana Syndrome in Vietnam: Possible Russian role in attack on Americans, according to new evidence