Depressione
Study links major depression in young adults to altered cellular energy patterns in brain and blood
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Researchers studying young adults with major depressive disorder have reported an unusual energy “signature” in both the brain and immune blood cells: higher ATP-related measures at rest, paired with a reduced ability to increase energy production when demand rises. The findings, published in Translational Psychiatry, may help explain common symptoms such as fatigue and low motivation, though the work is early and based on a small sample.
Fathers in Sweden were less likely to receive new psychiatric diagnoses during their partner’s pregnancy and in the first months after birth, but diagnoses of depression and stress-related disorders rose by more than 30% toward the end of the child’s first year, according to a large national register study published in JAMA Network Open.
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A new review of clinical trials suggests that psychedelics like psilocybin are effective for treating depression but offer no advantage over traditional antidepressants. Researchers accounted for the challenge of blinding in psychedelic studies, where participants can often tell if they received the drug. The findings indicate similar outcomes when compared to unblinded antidepressant trials.
An implanted device that stimulates the vagus nerve was associated with sustained improvements in symptoms, functioning and quality of life among adults with long-standing, treatment-resistant major depression, according to researchers reporting two-year follow-up data from the ongoing RECOVER study led by Washington University School of Medicine in St. Louis.
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Una meta-analisi internazionale su quasi 24.000 anziani rivela che il supporto emotivo riduce i sintomi depressivi in vecchiaia più dell'aiuto pratico quotidiano. La ricerca, pubblicata sull'American Journal of Epidemiology, ha analizzato dati di 11 studi condotti in vari paesi, tra cui il Brasile. Gli esperti sottolineano l'importanza dei legami affettivi per la salute mentale degli anziani.
Neuroscientists from Columbia University and McGill University have discovered that high levels of the stress-related protein SGK1 are associated with depression and suicidal behavior in people who experienced childhood adversity. This finding suggests potential for new antidepressants targeting SGK1, particularly for those resistant to current treatments. The research highlights how early trauma alters brain chemistry differently from other forms of depression.
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Researchers at McGill University and the Douglas Institute have pinpointed two types of brain cells altered in people with depression. Using advanced genomic analysis on post-mortem brain tissue, they found genetic disruptions in excitatory neurons and microglia. The findings, published in Nature Genetics, could lead to more targeted treatments for the condition affecting over 264 million people worldwide.