Ratel Health | Mental Health, Psychology & Psychiatry
Psychology, Psychiatry & Mental Health
News Lower Brain Choline Levels Found in People With Anxiety Disorders Medically reviewed · Ratel Health editorial team · August 20, 2026 Researchers using brain imaging have found that people with anxiety disorders tend to have lower concentrations of choline, a nutrient-derived compound involved in cell membrane structure and neurotransmitter production, in specific brain regions …
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News Adults With ADHD Face Sharply Higher Rates of ER Visits and Violence Exposure Medically reviewed · Ratel Health editorial team · August 20, 2026 A large population study has found that adults diagnosed with attention-deficit/hyperactivity disorder are markedly more likely to visit emergency departments and to experience violence, both as victims and, less commonly, …
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News Your Phone May Be Tracking a Feeling That Predicts Psychosis Relapse Medically reviewed · Ratel Health editorial team · August 20, 2026 A new line of research is testing whether a passive smartphone signal, described by researchers as a marker of “social feeling” or subjective connectedness, can flag a psychotic relapse days before obvious …
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A publicly funded UK randomized trial finds a single supervised psilocybin dose reduced depression symptoms more than placebo in treatment-resistant depression.
A small study finds that a non-drug wearable patch combining ultrasound and brain sensors helps people reach REM sleep faster and stay in it longer.
A themed collection of expert reviews explores whether timing talk therapy around ketamine treatment could improve outcomes for treatment-resistant depression.
A new randomized controlled trial finds that a THC-based prescription medication significantly reduces nightmare frequency in adults with PTSD, with over a third seeing nightmares stop completely.
A new imaging study finds that the stress hormone cortisol disrupts the brain’s internal navigation system, raising questions about long-term links between chronic stress and cognitive health.
The WHO and Lions Clubs International Foundation announced a three-year partnership to expand mental health services in Jordan and Nepal.
A long-term study of survivors of the 2011 Great East Japan Earthquake finds that early symptom patterns are linked to PTSD symptoms persisting 15 years later.