Now scientists in the US have found that the cells of monkeys and rats which have been damaged by Ecstacy regrow abnormally New Scientist reported Ecstasy is popular among young adults and teenagers at Raves-huge all night dance parties They claimed the drug makes them less inhibited The researchers admit that the amounts of Ecstasy given to the animals were high However they said it was possible that people taking several doses over a weekend could be affected as much as the animals in the experiment