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Use of Ecstasy, Speed by Teens Tied to Later Depression
Date:4/19/2012

By Alan Mozes
HealthDay Reporter

WEDNESDAY, April 18 (HealthDay News) -- Teens who use the party drugs ecstasy (MDMA) and speed (methamphetamine and/or amphetamine) appear to face a notably higher risk of depression afterward, new Canadian research suggests.

Interviews and mental health assessments conducted among nearly 3,900 10th-grade residents of Quebec revealed that, compared to non-users, adolescents who acknowledged taking either speed or ecstasy had a 60 percent to 70 percent greater risk of experiencing telltale signs of depression a year after their last recorded use.

What's more, those who said they had tried both speed and ecstasy showed double the risk for depressive symptoms, when compared to non-users.

Nevertheless, study co-author Jean-Sebastien Fallu, an associate professor in the school of educational psychology at the University of Montreal, cautioned that his team cannot draw a specific cause-and-effect line between such recreational drug use and depression.

"But researchers have advanced two possible mechanisms," he said. "That these drugs have a neurotoxic affect on serotonin [hormone] levels involved in mood control. Or that the mood of those who choose to use these drugs is affected by the social ties and influences that come with affiliating with other users, who may have their own issues and mood problems. And both those mechanisms would tend to be more problematic for children than adults."

The findings appeared online April 18 in the Journal of Epidemiology and Community Health.

While still in the 10th grade, all the students reported any history of either MDMA or meth/amphetamine use during the year leading up to the study launch.

A year later, when the students were in the 11th grade, the authors followed up by assessing the onset of a range of 16 depressive symptoms in a standard screening scale.

More of the 15- to 16-year-old students were fou
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