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TL;DR: Two research teams used different methods to map the brain’s wiring in the same 1,065 young adults, then checked for differences between men and women. They almost always agreed on the fiber-quality measures, clashing just once in 343 comparisons, but d…
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TL;DR: A 2026 analysis in Brain, Behavior, & Immunity – Health of 827 middle-aged adults found that profiles combining intestinal-permeability biomarkers with age, cardiometabolic risk, or lifestyle factors were associated with smaller brain volumes and higher…
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TL;DR: A 2026 fly study in IBRO Neuroscience Reports found that long-term rotenone exposure produced stronger survival, climbing, oxidative-stress, and late immune-gene disruption in male Drosophila than in female flies. Key Findings 90 flies per sex were trac…
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TL;DR: A 2026 study in Genes & Diseases found that Il6 deficiency, meaning loss of the gene for interleukin-6, worsened Parkinson’s-like motor and dopamine-system injury in mice. Key Findings Il6 knockout worsened movement: Mice lacking Il6 performed worse aft…
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TL;DR: A 2026 Nature Communications study followed 100 Swedish participants from age 4 to 24 and found that more than half of detectable blood proteins changed with age, with sex-related protein differences becoming much larger by adolescence and early adultho…
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TL;DR: A 2026 meta-analysis in Dialogues in Clinical Neuroscience pooled whole-brain functional MRI studies and found that anxious major depressive disorder (anxious MDD, depression with prominent anxiety symptoms) showed different brain-activity patterns from…
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TL;DR: A 2026 study in Environmental Science & Technology found that male guppies exposed for 11 days to environmentally relevant amitriptyline, a tricyclic antidepressant detected in waterways, made more spatial-learning errors in a maze while females were la…
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TL;DR: A 2026 Neurological Sciences study followed 216 early Parkinson’s patients for 2 years after levodopa started and found that several non-motor symptom differences between men and women persisted or emerged despite adjustment for baseline scores and levo…
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TL;DR: A 2026 Research Square preprint linked DNA methylation (DNAm), an epigenetic mark measured in cord blood at birth, with default mode network-limbic brain development and age-13 anxiety symptoms in boys. Key Findings Birth-to-teen pathway tested: Researc…
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Psychopathic individuals are known to commit a disproportionate amount of violence and crime. Yet the connections between psychopathy, intelligence and aggression are complex. A new study unpacks the links between these dangerous traits in men and women. Key F…
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