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Just seeing sick people can trigger a person’s body to produce infection-fighting cells without them realizing it, a Canadian study has found.
“Pictures of diseased-looking people produced a stronger immune response than pictures of people with guns, even though the gun pictures were more stress-inducing” author Dr. Mark Schaller of the University of British Columbia told the Star.
Another surprising discovery was that people who reported being particularly disgusted at the sight of sickness actually produced less IL-6 – a weaker physical defence – than people whose disgust was not as strong