Every edge is important in the fast-paced world of e-sports, where split-second choices can make or break winners. Imagine that there was a legal, easy-to-find potion that could make you smarter and better at games. No, it's not a new piece of technology or a secret workout plan. It's likely something you already do every morning. Here comes coffee, the most famous drug for getting high, which is now making waves in the world of professional e-sports.