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Strong evidence for a new class of antidepressant drugs revealed by research

A chemical in the brain called galanin is involved in the risk of developing depression, scientists have shown for the first time. Galanin is a neuropeptide (a small protein) that was discovered and investigated over 30 years ago. This new research demonstrates that galanin is an important stress mechanism in the human brain that influences how sensitive or resilient people are to psychosocial stress.
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