methylenedioxymethamphetamine, produces behavioral effects and toxicity similar to methamphetamine, according to medical experts. Ecstasy, like mescaline, can cause mild auditory and visual hallucinations mimicking natural occurring psychosis, as well as stimulant effects similar to amphetamine. An ecstasy-induced high is called "rolling," and typically lasts 3-5 hours.
Contrary to widespread belief among users that it's relatively safe and non-addictive, ecstasy poses serious health risk for its users. Indeed, some of ecstasy's short-term side effects can be fatal.