Research presented at the annual meeting of the Society for Neuroscience reveals new areas of the brain associated with anxiety and depression which may be targets to understand and treat these mental illnesses. The emotional and financial costs of clinical depression and anxiety to people, families, and society are significant. Further, antidepressants are not always effective and often cause severe side effects. One of the newly reported findings includes MicroRNAs, tiny molecules that alter gene expression and may help determine why some people are more likely to suffer from depression than others. Also suggested is that a molecule in the immune system may contribute to depression, perhaps a potential biomarker for the disease.
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