Bad luck signs are vast and varied in cultures around the world, from calling a baby cute to pointing out a pretty rainbow. Skip to main content. A Trusted Friend in a Complicated World.

4. Hollow bread. Pixel-Shot | Shutterstock. It's disappointing to hear that some breads are off the list for New Year's, because one food that's considered bad luck on this occasion is hollow bread.

The most searched superstition nationally was throwing salt over your shoulder, which is believed to ward off bad luck. Friday the 13th: Here's why the day is so unlucky.