Rowing as a group increases pain thresholds

Reported by Not Exactly Rocket Science, research by Emma Cohen showed that rowers using ergo machines had higher pain thresholds (which correlate with endorphin levels) when they rowed as an eight, than when they rowed individually. Mindhacks concludes this may why be meetings are so 'protracted and tortuous.'

(I seem to be beset by research on the impact of groups at the moment, hence a new category.)