At first glance, the evidence isn’t encouraging. Following a loss, fans are more likely than usual to eat unhealthy food, [1] be unproductive at work, [2] and—in the case of the Super Bowl—die from heart disease. [3] What about fans of the winning team? Well, their testosterone levels tend to increase, [4] which may account for why triumphant fans are more likely than other fans to suffer a postgame traffic fatality if the score was close. [5]