It’s a day of bad luck and superstition for many people in the Western world. Friday the 13th is so ominous that there are even official terms to describe the date-based phobia—paraskevidekatriaphobia and friggatriskaidekaphobia. Paraskevidekatriaphobia (say that five times fast) was coined by Dr. Donald Dossey as the medical term for the extreme irrational fear […]