For the past 19 years, Ioannis Tarnanas, the founder and chief scientific officer at Altoida, has been developing virtual and augmented reality tools to offer predictions about the onset of mental illness in older patients. The company, whose tools have been cleared by the Food and Drug Administration (an earlier version of this article incorrectly … Continue reading Using augmented reality, Altoida is identifying the likely onset of neurodegenerative diseases