Summary: New research shows that rats with naturally higher baseline stress hormone levels are significantly more likely to self-administer cannabis vapor. Over several weeks, rats were allowed to nose-poke for…
Category: medicine
PTSD Linked to Accelerated Brain Aging
Summary: A new study using advanced deep-learning brain age estimation shows that World Trade Center responders with PTSD exhibit signs of accelerated brain aging. Using BrainAgeNeXt, a model trained on…
Cognitive Profiles in Schizophrenia Are Being Ignored
Summary: A major scientific review reveals a deep knowledge gap in how cognition is affected when schizophrenia and personality disorders occur together. Despite the high prevalence and severe outcomes tied…
Abuse Survivors Show Unique Injury Signatures Tied to Suicide Risk
Summary: A new study finds that victims of intimate partner violence who also experience suicidal thoughts or behaviors show distinct and severe injury patterns on medical imaging. These patients were…
AI Uncovers Hidden Stress Damage in the Body
Summary: Researchers developed an AI tool that detects chronic stress by measuring adrenal gland volume on routine chest CT scans. This biomarker aligns with cortisol levels, stress questionnaires, and future…
Genetics Point to a New Type of Suicide Risk
Summary: New research shows that many people who die by suicide without prior suicidal thoughts or behaviors are not simply “missed cases”—they may have an entirely different underlying risk profile.…
Stress-Like Behaviors Traced to a Single ATP Circuit in the Brain
Summary: New research reveals that reduced ATP signaling in the hippocampus plays a causal role in both depression- and anxiety-like behaviors. In stressed male mice, ATP levels and the ATP-releasing…
Psychedelic ‘Ego Death’ Tied to a Collapse in Alpha Brain Waves
Summary: A new study using DMT as a scientific tool reveals how psychedelics alter the brain’s alpha-wave dynamics and weaken our sense of self. The researchers found that DMT pushes…
Shocking Disparities: Women Face Higher Risk of ECT
Summary: A large international survey of 858 electroconvulsive therapy recipients found that women are twice as likely as men to receive ECT and experience more adverse effects. Women reported higher…
Maternal Stress Speeds Up Baby Teething
Summary: New research shows that infants whose mothers had higher cortisol levels during late pregnancy experience significantly earlier eruption of primary teeth. Babies of mothers with the highest cortisol levels…
