It turned out that, when they were swearing, the intrepid volunteers could keep their hands in the water nearly 50 percent longer as when they used their non-cursing, table-based adjectives. Not only that, while they were swearing the volunteers’ heart rates went up and their perception of pain went down. In other words, the volunteers experienced less pain while swearing. It’s an easy experiment to try for yourself at home, or at a party if you have the right kind of friends.