Does standing on the fifth-floor balcony give you weak knees? Is the mere mention of spiders enough to make you scream? Or maybe you can’t stay in a room without at least one lamp on? Don’t worry, you are not alone; we all have our fears. In fact, scientists state that fear is one of the most human emotions, one that comes from ancient times. Those who claim they fear nothing either don’t want to reveal their weak spots or just haven’t discovered the thing that terrifies them yet.