Major Depressive Disorder News and Research

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Major Depressive Disorder (MDD) is a psychiatric condition characterized by depressed mood or anhedonia (significant loss of interest or pleasure). The condition affects more than 15.7 million adults and approximately 3 million adolescents (aged 13 to 17 years) in the USA each year.

Psilocybin therapy reduces depression in clinicians after pandemic frontline work

This study demonstrates psilocybin's effectiveness in reducing depression symptoms in healthcare workers, offering hope for pandemic-related mental health care.

5 Dec 2024

The role of emotion regulation in predicting suicidal risk in depressed individuals

Depressed individuals who reflexively attempt to dampen their initial emotional responses to reminders of their negative memories have a low tolerance for distressing emotional stimuli in general and may respond to stress in their daily lives with greater upticks in suicidal thoughts.

26 Nov 2024

Study: 70% of Australians with depression lack adequate treatment

Researchers have found 70 per cent of Australians diagnosed with major depressive disorder are not receiving even the minimal treatment necessary.

22 Nov 2024

Predicting mood episodes with sleep data: A breakthrough for mental health care

Researchers developed a machine-learning model that uses only sleep-wake patterns to predict mood episodes in patients with mood disorders, achieving high accuracy. This approach simplifies real-world mental health monitoring using data from wearables or smartphones.

21 Nov 2024

AI model combines speech and brain activity to diagnose depression

Depression is one of the most common mental illnesses. As many as 280 million people worldwide are affected by this disease, which is why researchers at Kaunas University of Technology (KTU) have developed an artificial intelligence (AI) model that helps to identify depression based on both speech and brain neural activity.

20 Nov 2024

Iron and vitamin D reduce depression risk, while selenium and magnesium raise it

Researchers explore the causality between micronutrient intake and depression using Mendelian randomization.

4 Nov 2024

Study reveals effective combination therapy to slow cognitive decline in older adults

An important new study led by the Centre for Addiction and Mental Health (CAMH), and with partnership across several Toronto Dementia Research Alliance (TDRA) sites - Baycrest, Sunnybrook Health Science Centre, Unity Health Toronto, and University Health Network - has demonstrated that a combination therapy can slow cognitive decline in older adults at risk for dementia.

1 Nov 2024

Adolescents' genetic risks tied to psychotic symptoms

Researchers examine the relationships between neuropsychiatric and cognitive polygenic scores, attention-related phenotypes, and psychosis symptoms.

1 Nov 2024

Study reveals cost-effective benefits of treating depression in low-income countries

Treating people in low-income countries for major depressive disorder can also help improve their physical health and household members' wellbeing, demonstrating that mental health treatments can be cost effective, according to a new RAND study.

30 Oct 2024

Brain-stimulation therapy at home reduces major depression symptoms

This study highlights the efficacy of home-based tDCS in treating major depressive disorder, with significant improvements in depressive symptoms and remission.

22 Oct 2024

Home-based brain stimulation shows promise in treating depression

A device that delivers direct stimulation to the brain was found to be a safe and effective means of treating depression at home, according to a new study by researchers at UTHealth Houston; the Institute of Psychiatry, Psychology & Neuroscience at King's College London; and the University of East London.

21 Oct 2024

Study identifies genetic associations with youth psychopathology

When trying to understand how genetic influences factor into youth behavior, researchers at Washington University in St. Louis have taken the "big trawl" approach, casting their net wide to pull in all the measured traits, behaviors and environments that make up who we are and examine associations with the genetic building blocks comprising risk for mental health problems.

17 Oct 2024

Differential gene expression linked to alcohol use disorder, offering new treatment possibilities

Researchers identified key gene expression differences in addiction-relevant brain regions that provide new insights into alcohol use disorder and potential therapeutic targets.

14 Oct 2024

Depression and anxiety diagnoses in youth spiked during the COVID-19 pandemic

Researchers analyzed clinical data from over 1.7 million young people, revealing significant increases in diagnosed depression and anxiety from 2017 to 2021, with higher rates during the COVID-19 pandemic.

2 Oct 2024

Study highlights gender differences in genetic risk for psychotic disorders

A team of researchers from the University of Barcelona and the Centre for Biomedical Research in the Mental Health Network (CIBERSAM) has published a pioneering study that reveals significant findings in the field of genetic psychiatry from the perspective of separate gender analysis.

26 Sep 2024

Wrist-based sensors provide insights into sunlight’s impact on depression

Wrist-based activity sensors worn by individuals with depression and those without over the course of two weeks provided evidence for the relationship between daily sunlight exposure and physical activity, according to a study published September 25, 2024, in the open-access journal PLOS Mental Health by Oleg Kovtun and Sandra Rosenthal from Vanderbilt University, U.S.

25 Sep 2024

Psilocybin shows promise for treating depression and improving well-being

A direct comparison between the experimental psychedelic drug psilocybin and a standard SSRI antidepressant shows similar improvement of depressive symptoms, but that psilocybin offers additional longer-term benefits.

22 Sep 2024

Machine learning reveals sleep quality and anxiety as major predictors of depression

Researchers applied machine learning to predict depressive symptoms, revealing sleep quality and anxiety as key factors across diverse populations and datasets.

12 Sep 2024

Semaglutide does not increase risk of depression or suicidal thoughts

Taking the weight loss medication semaglutide did not increase the risk of depressive symptoms, suicidal thoughts, or suicidal behavior in persons without known major mental health disorders, according to a new study led by researchers from the Perelman School of Medicine at the University of Pennsylvania published this week in JAMA Internal Medicine.

4 Sep 2024

Scientists uncover shared gene expression patterns in aging and psychiatric disorders

Researchers reveal how aging and psychiatric disorders converge at the cellular level in the orbitofrontal cortex, identifying key gene expression changes that could lead to new therapies.