The Mere Sight of Someone Sick Triggers an Immune Response, Study Suggests: Researchers equipped study participants with virtual reality headsets and observed how their brains and immune systems reacted to avatars with signs of illness (Sara Hashemi, July 31, 2025, Smithsonian)
The study is “unique in demonstrating that people’s immune system can be primed just by the visual recognition that someone looks sick,” Irwin adds to Simon Makin at Science News. “That’s really remarkable.”
Or un.