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Big New Study Challenges A Genetic Link to Stress, Depression | Psych Central News

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A new meta-analysis involving dozens of international researchers suggests that an influential 2003 study on the interaction of genes, environment, and depression may have missed the mark. For years, scientists have been trying to determine what effect a gene linked to the brain chemical serotonin may have on depression in people exposed to stress. But now, analyzing information from more than 40,000 people who have been studied for more than a decade, researchers led by a team at Washington University School of Medicine in St. Louis have found no evidence that the gene alters the impact stress has on depression....
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