UN Sounds Alarm Over 'Brain-Killing' Drugs Tue Sep 23,11:34 AM ET By James Crawford ROME (Reuters) - Party drugs like Ecstasy and amphetamines have overtaken heroin and cocaine as the fastest-growing global narcotics menace, the United Nations said on Tuesday. In a report unveiled in Italy, the U.N. Office on Drugs and Crime estimated more than 40 million people around the world had taken synthetic drugs in the last year, more than the combined number of cocaine and heroin users. "These are terrifying narcotics because they are subtle -- they kill the brain rather than the heart," said Antonio Maria...