> One study found that the mere visual perception of diseased-looking people stimulated white blood cells to respond more aggressively to infection (as indicate

> One study found that the mere visual perception of diseased-looking people stimulated white blood cells to respond more aggressively to infection (as indicated by the production of the proinflammatory cytokine Interleukin 6 in response to a bacterial stimulus). I wonder if this is also why many people perhaps showed nocebo effects (https://en.wikipedia.org/wiki/Nocebo https://en.wikipedia.org/wiki/Nocebo) at the onset of the covid19 crisis & the many disturbing images (especially from Italy) being shown in the media.