A new study that compared ecstasy users to non-users found that ecstasy doesn't impair cognitive ability, contradicting the results of earlier studies. This study—published on Tuesday in Addiction—was unique in that its subjects—even the non-users—were all rave-goers, and therefore undergoing the same experience of sleep deprivation, dehydration, annoying guy with the goddamn glow sticks, etc.; even then, researchers "found no ominous, concerning risks to cognitive performance" [CBC]