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These subtle cues are what make sick people look sick

January 2, 2018 at 7:00 p.m. EST

The next time a friend tells you that you look sick, hear the person out. We are better than chance at detecting illness in others simply by looking at their faces, according to new research led by a Swedish psychologist.

“We can detect subtle cues related to the skin, eyes and mouth,” said John Axelsson of the Karolinska Institute, who co-wrote the study published Tuesday in the journal Proceedings of the Royal Society B. “And we judge people as sick by those cues.”