But they differ on the long-term impact. Other research suggests that people who used ecstasy at least 25 times had lowered serotonin levels for as long as a year after quitting. Others point to flaws in current studies. For instance, some scientists say the research ignores whether users had prior serotonin or memory deficits. Even the drug's biggest cheerleaders, though, admit that more research is needed on both the benefits and the dangers.
Marriage therapists claim the drug can enhance couples' empathy toward each other.
And then there are the young partygoers who swear it makes them happier. The danger of being young, hip, and high. World Report Inc. All rights reserved.