What are some other superstitions people have?

People hold a variety of superstitions, such as the fear of the number 13, which is often considered unlucky. Many avoid walking under ladders or breaking mirrors, believing these actions will bring bad luck. Others may carry lucky charms or perform rituals, like knocking on wood, to ward off misfortune. Additionally, some believe that certain animals, like black cats crossing one's path, can signal impending doom.