No evidence of neurotoxicity exists

EDITOR,—In their editorial on ecstasy (3,4-methylenedioxymethamphetamine) and neurodegeneration A Richard Green and Guy M Goodwin state that young people who misuse ecstasy should be fully informed of the risks, which they claim are considerable in the long term.1 The authors cite animal studies indicating that recreational use of ecstasy can cause neurotoxicity to the serotoninergic systems of the brain. The fact that the United States Food and Drug Administration recently (in May) approved dexfenfluramine for daily long term use could, …