Humans are superstitious creatures by nature, with many strange habits that seem entirely illogical. We avoid walking under ladders or opening umbrellas indoors in fear of bad luck. We knock on wood to prevent disappointment. We shun the number 13 and we can’t quite decide whether black cats are good or bad omens. None of these actions makes much practical sense, and the same is true for a range of superstitions involving food. Food is a necessity that keeps us functioning and alive, but ...
