Pain may be one of the driving factors for the prevalence of ‘rich people’ in endurance sports. Research suggests that the unpleasantness involved in these sports provides a temporary relief from the “burdens of self-awareness”, and that the pain is seen as an achievement in discipline. Either way, this pursuit of pain has resulted in a condition reserved for the well-off: “white-collar rhabdomyolysis”, or kidney damage caused by extreme exercise. Read full article here