A person sneezes in an office, at home or in a public place, and almost instantly someone says, “God bless you.” The response is so automatic that many people say it without thinking. But why does a simple sneeze trigger a blessing, while coughs, yawns or hiccups usually receive no such reaction?
The answer lies in a mix of ancient beliefs, disease fears, cultural traditions and human psychology. What started as a protective wish centuries ago has now become a social habit that signals politeness and concern.