Old Beliefs About Depression Toppled in New Northwestern Study - Depression Largely Unrelated To Stress

From ScienceDaily (Oct. 27, 2009) — More than half the people who take antidepressants for depression never get relief.Why? Because the cause of depression has been oversimplified and drugs designed to treat it aim at the wrong target, according to new research from the Northwestern University Feinberg School of Medicine. The medications are like arrows shot at the outer rings of a bull’s eye instead of the center.A study from the laboratory of long-time depression researcher Eva Redei, presented at the Neuroscience 2009 conference in Chicago this week, appears to topple two strongly held beliefs about depression. One is that stressful life events are a major cause of depression. The other is that an imbalance in neurotransmitters in the brain triggers depressive symptoms.Both findings are significant because these beliefs were the basis for developing drugs currently used to treat depression.Redei, the David Lawrence Stein Professor of Psychiatry at Northwestern’s Feinberg School, found powerful molecular evidence that quashes the long-held dogma that stress is generally a major cause of depression. Her new research reveals that there is almost no overlap between stress-related genes and depression-related genes.“This is a huge study and statistically powerful,” Redei said. “This research opens up new routes to develop new antidepressants that may be more effective. There hasn’t been an antidepressant based on a novel concept in 20 years.”

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What are you learning today? Stay curious!

 John Schinnerer, Ph.D.Guide To Self, Inc.Executive coach, speaker, authorDanville,  San Ramon,  Alamo CA

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