Fear. It’s more than a reaction to a scary movie. Fear is a deep-seated emotion that leads to anxiety and worry, with the added component of adrenaline guaranteed to keep your heart in your throat and your palms sweaty. Fear can also be crippling, taking over your mind, body, and soul.

But did you know there’s more to fear than meets the eye? If you think you understand fear, read on to discover seven truths about fear you might not have realized.