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TL;DR: A 2026 preprint on medRxiv using the Harvard Biomarkers Study found that 43% of Parkinson’s disease patients had depression, anxiety, sleep apnea, or restless legs syndrome, compared with 21% of controls. Key Findings 1,224-person cohort: Researchers an…
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TL;DR: A 2026 randomized trial in PLOS One found that 5 MIDI-assisted group music therapy sessions during psychiatric hospitalization reduced Depression Anxiety Stress Scale-21 (DASS-21) stress scores more than 1 session, while anxiety, depression, life satisf…
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TL;DR: A 2026 human microbiome and intervention study in Nature Communications found that coffee drinkers showed distinct gut microbiome composition and lower several microbial metabolites, while caffeinated and decaffeinated coffee shifted stress and mood mea…
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TL;DR: A 2026 randomized feasibility trial in JMIR Mental Health found both a structured AI therapy chatbot and ChatGPT reduced PHQ-9 depression scores versus assessment-only control, but neither AI condition improved anxiety significantly or beat the other. K…
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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 BJPsych Open study found clinically significant anxiety in about 18% of non-demented ALS patients for state anxiety and 14% for trait anxiety, with anxiety scores driven mainly by cognitive-affective depression symptoms rather than motor severity…
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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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TL;DR: A 2026 randomized-trial preprint in medRxiv reported that 10 minutes of daily digital meditation reduced anxiety and mind wandering, with the largest gains in people who started with higher symptom burden. Key Findings Ten daily minutes reduced anxiety:…
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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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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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