There’s a lot of losing in sports. Only one team can win at a time, and only one champion escapes the season without tears. But that doesn’t stop Americans from spending nearly $56 billion a year on sporting events, while dropping many billions more on jerseys, cable packages, buffalo wings—to say nothing of the substantial emotional costs incurred. (Having logged many fan-hours on behalf of the pre-success Cubs and post-success Arsenal FC, I’ve paid my fair share.) Is fandom worth it?
At first glance, the evidence isn’t encouraging. Following a loss, fans are more likely than usual to eat unhealthy food,  be unproductive at work,  and—in the case of the Super Bowl—die from heart disease.  What about fans of the winning team? Well, their testosterone levels tend to increase,  which may account for why triumphant fans are more likely than other fans to suffer a postgame traffic fatality if the score was close. 
Read the whole story: The Atlantic