For many athletes from beginners to professionals, taking painkillers has become a pre- or post-event ritual. One study found that almost 60 percent of racers at the 2008 Ironman Triathlon in Brazil reported using non-steroidal anti-inflammatory painkillers (often referred to as NSAIDs) at some point in the three months leading up to the event, with about half of them taking a pill during the race. Many athletes take these medications as a way of relieving discomfort during and after a ...