Top Four (Legal) Mind-Performance Enhancement Drugs

You already know about Provigil, also known as "professor's little helper," but what about other favorite performance-enhancing drugs among people who think for a living? According to yesterday's Los Angeles Times, everyone from classical musicians to physicists are gobbling down "attention enhancers" and "fear… » 12/26/07 7:00am 12/26/07 7:00am