It’s unbelievable but true: for some reason almost every person, regardless of where they were born, have these marks of incomprehensible origin on their index fingers. During the discussion, network users found out that there were other suspicious things that are inherent in almost every inhabitant on Earth.

Source : https://brightside.me/wonder-curiosities/6-body-oddities-99-of-people-have-but-you-might-be-an-exception-597210/