Productivity Pills?
By Daisy Chan

(FORTUNE Small Business) – It's not the strong Java. According to a recent study by Quest Diagnostics, workplace amphetamine use surged 44% in 2003. Workers use the stimulant to fight fatigue and boost self-confidence. Three out of 1,000 workers now test positive for speed, compared with three in 100 for marijuana, which remains the illicit drug of choice. —D.C.