Superstitious people may have been right all along as knocking on wood really could protect you against bad luck, scientists claim.
Those who perform long-held rituals such as throwing salt over their shoulder are less likely to worry about ill-fortune, according to researchers from the University of Chicago Booth School of Business.
Superstitions reverse perceived bad fortune by making participants believe ill-fortune was less likely to happen.
Professor Jane Risen, of Chicago University, said knocking on wood seems to create the sense bad luck is being pushed away.
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