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Report confirms increased risk of smoking, substance abuse in bipolar adolescents
Date:6/2/2008

th diagnosed BPD, who enrolled at an average age of 14, the study includes 98 control participants of the same age, carefully screened to rule out mood disorders.

Incidence of each measure alcohol abuse or dependence, drug abuse or dependence, and smoking was significantly higher in participants with BPD than in the control group. Overall, rates of substance use/abuse were 34 percent in the bipolar group and 4 percent in controls. When adjusted to account for co-occurring behavioral and psychiatric conditions, the results still indicated significantly higher risk in the bipolar group. Analyzing how the onset of bipolar symptoms related to when substance abuse began, revealed that BPD came first in most study participants.

The data also indicated that bipolar youth whose symptoms began in adolescence were more likely to abuse drugs and alcohol than were those whose symptoms began in childhood. "It could be that the onset of mood dysregulation in adolescence puts kids at even higher risk for poor judgement and self-medication of their symptoms," Wilens says. "It also could be that some genetic switch activated in adolescence turns on both BPD and substance abuse in these youngsters. That's something that we are currently investigating in genetic and neuroimaging studies of this group."

He adds that clarifying whether bipolar disorder begins before substance abuse starts could have "a huge impact. If BPD usually precedes substance abuse, there may be intervention points where we could reduce its influence on drug and alcohol abuse. Aggressive treatment of BPD could cut the risk of substance abuse, just as we have shown it does in ADHD." Wilens is an associate professor of Psychiatry at Harvard Medical School.


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Contact: Sue McGreevey
smcgreevey@partners.org
617-724-2764
Massachusetts General Hospital
Source:Eurekalert

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