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Medical News Today: Brain structure may play key role in psychosis

New research finds that having a larger choroid plexus, which is a vital brain structure, could be involved in psychosis. Research finds clues about psychosis in a brain structure that scientists have not yet fully studied. Variations in the structure of the choroid plexus, which produces cerebrospinal fluid (CSF), could play a key role in psychosis. A team that Dr. Paulo Lizano — of the Beth Israel Deaconess Medical Center in Boston, MA — led has now investigated this vital structure. In doing so, they found that there could be…

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Medical News Today: How might obesity affect the brain?

The link between obesity and the brain is a fascinating topic that scientists have only recently begun to explore. New research adds important pieces to the puzzle. Researchers have used MRI scans to examine the brains of people living with obesity. From the size and functionality of the brain to specific neuronal circuits, recent studies have brought to light important aspects of the connection between obesity and the brain. For instance, researchers published a study earlier this year that found a link between obesity around the stomach area and smaller…

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Medical News Today: How ketamine can change the brain to fight depression

New research in mice, which the National Institutes of Health supported, shows how ketamine can alter brain circuits, quickly redressing depression-like symptoms. Ketamine stimulates the regrowth of dendritic spines in the prefrontal cortex, according to a new animal study. Previous studies have shown that ketamine — an anesthetic — can rapidly reduce severe symptoms of major depressive disorder, particularly the occurrence of suicidal thoughts. However, researchers are still unsure how this substance acts in the brain to fight off depression or how to maintain its therapeutic effects in the long…

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The Adolescent Brain - Substance Use, Depression, and Recovery | Ann Arbor District Library
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The Adolescent Brain – Substance Use, Depression, and Recovery | Ann Arbor District Library

Important features of brain development exist during the adolescent period, and this developmental phase matters when we talk about adolescent depression and substance use. Understanding these developmentally specific features of depression and substance use helps with parental monitoring, understanding, responding…

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