Anxiety can cause you to feel panicky, confused, and unproductive. But this video from Science of Us explains that there’s an upside too: You tend to be more intelligent if you’re a worrier. So being a brainiac is a double-edged sword. Sure, you’ll have no trouble impressing co-workers with random trivia at the company holiday party, but all that brainpower means you might obsess over how you tripped and spilled wine all over your boss at last year’s get-together.