Since ancient times the term "evil eye" has disturbed communities and peoples, but what really is the evil eye? According to popular tradition, the effect of envy, or even of "excessive admiration", can cause, through the look, chained misfortunes, bad luck, misfortunes and even illness. Is this true? Is it part of a superstition? Are only the people who believe in it who can be affected? And if all this is so, how can I know if I am droopy? How to...