Summary: Chronic circadian disruption — such as night-shift work, irregular schedules, or frequent jet lag — accelerates the development and spread of aggressive breast cancer. Researchers found that disrupted internal…
Tag: Medicine
Emotional Stress Triggers Instant Arousal From Deep Sleep
Summary: A new study uncovers a precise brain pathway that rapidly converts emotional stress into sudden wakefulness during NREM sleep. Researchers found that GABAergic neurons in the BNST activate glutamatergic…
Depression Quietly Damages the Heart Through Stress Circuits
Summary: Depression and anxiety may heighten cardiovascular disease risk through chronic stress pathways in the brain and body. In a large analysis of more than 85,000 adults, those with depression…
Stress Levels Predict Cannabis Use
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…
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…
Blocking a Key Protein Greatly Reduces Alzheimer’s Damage
Summary: New findings show that removing Centaurin-α1, a protein elevated in Alzheimer’s disease, significantly reduces inflammation, plaque buildup, and cognitive deficits in a well-established mouse model. Eliminating this protein normalized…
Mental Illness Can Also Bring Strengths
Summary: Mental illness is typically defined by its challenges, but growing evidence shows it is also linked to surprising strengths. Certain psychological conditions are associated with enhanced creativity, social sensitivity,…
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…
The Way You Drive Might Signal Mild Cognitive Impairment
Summary: Researchers found that long-term driving behavior can reveal early signs of cognitive decline years before clinical diagnosis. Older adults who later developed impairment showed gradual reductions in trip frequency,…
