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TL;DR: A 2026 study in Neuropsychopharmacology found that reward uncertainty, measured with functional MRI (fMRI), a brain-scan method, engaged different adolescent brain networks during waiting for a possible reward versus learning the outcome, with anxiety a…
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TL;DR: A 2026 study in JAMA Network Open found that a therapy built to restore reward and positive emotion outperformed a matched negative-affect therapy for adults with depression, anxiety, and severely low positive affect. Key Findings PAT beat the matched t…
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TL;DR: A 2026 rat study in Psychopharmacology found that THC exposure during late adolescence left adult animals with elevated anxiety-like behavior and impaired object-recognition and spatial-memory performance after a drug-free recovery period. Key Findings…
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Cannabinoids Had Weak Evidence for Mental Disorders TL;DR: A Lancet Psychiatry review of randomized trials found little support for routine cannabinoid treatment in common mental disorders, despite possible weak signals in a few narrower conditions. Key Findin…
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How Astrocytes Help the Amygdala Store Fear Memories TL;DR: Amygdala astrocytes were not passive support cells: their calcium signals tracked learned fear states and were required for neuronal fear-memory representations in mice. Key Findings In vivo BLA imagi…
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150 mg Caffeine Did Not Trigger Panic Disorder Anxiety TL;DR: A normal coffee-sized caffeine dose did not trigger a subjective anxiety surge in panic disorder, but it did make people more physiologically aroused, more avoidant, and more distracted by bodily se…
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Hormone Therapy Linked to 44% Improvement in Menopause Mood Symptoms TL;DR: Menopausal hormone therapy tracked with a 44.59% improvement in mood-symptom scores after about 107 days, across both peri- and postmenopausal women — and the gains were broadly simila…
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Semaglutide Linked to 42% Fewer Psychiatric Hospital Episodes TL;DR: In Swedish registry data covering nearly 100,000 people with depression or anxiety, psychiatric hospital visits and sickness absence were 42% lower during semaglutide treatment periods — with…
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Exercise Beats Medication for Depression, But Which Type Matters Most? TL;DR: Aerobic exercise matches antidepressant efficacy for depression with effect size −1.60, resistance training slightly edges aerobic for anxiety, and neither requires meeting WHO guide…
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Fluorinated Psilocin: The Sub-Hallucinogenic Breakthrough TL;DR: Chemists designed a new psilocin derivative with fluorine modifications that induces sub-hallucinogenic effects in mice, sidestepping the acute psychological effects of classic psychedelics while…
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