Bless You

The ancient Greeks believed that sneezes were signs from the gods.

In Indian culture, sneezing right before the start of some type of work is a bad omen that the job will have some negative interruption. It is advised to wait a little while and then start the work without sneezes.

In Japan, a sneeze without an obvious cause means someone is talking about you behind your back. One sneeze means something good is being said about you, and two sneezes in a row mean something bad is being said about you.

In Medieval times, Europeans believed that a person's heart stops when they sneezed. Saying "God bless you" would make it start beating again.