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 after MPTP, a toxin commonly used to model Parkinson’s-like dopamine injury. Female knockout mice showed earlier damage: …
TL;DR: A 2026 nationwide study in PLOS One found that adults age 40 and older in Iceland often had psychiatric diagnoses and psychotropic medication fills, with 20.8% receiving a diagnosis in the prior year and 34.2% filling at least one psychotropic prescription. Key Findings Nationwide cohort: Researchers analyzed registry data from 80,733 Icelanders age 40 …
TL;DR: A network model in Communications Physics (2026) found that Hebbian learning, the familiar “fire together, wire together” rule, trapped activity in old routes, while anti-Hebbian weakening helped activity reach new areas. Key Findings Positive reinforcement trapped activity: when successful activation made the same link more likely to be used again, activity tended to circle …
TL;DR: A 2026 Nature Communications study found that HCN1, an ion channel that helps neurons start rhythmic electrical firing, was fast enough to act as the trigger for neuronal pacemaker depolarization, while HCN2 and HCN4 mainly appeared too slow to drive each action-potential cycle. Key Findings HCN1 was the fast channel: In slow action-potential clamp …
TL;DR: A 2026 mouse study in Nature Neuroscience found that glucose signaling through ATP-citrate lyase (ACLY), an enzyme that links sugar metabolism to gene regulation, helped oligodendrocyte progenitor cells multiply before they matured into myelin-forming cells. Key Findings Glucose mapped onto cell state: Developing mouse-brain regions with higher glucose had more proliferating oligodendrocyte progenitor cells, …
TL;DR: A 2026 study in Stigma and Health found that women who lost 15% of body weight with GLP-1 receptor agonists, medications such as semaglutide that mimic a metabolic hormone involved in appetite and glucose signaling, were judged more harshly than women who lost the same amount through diet and exercise. Key Findings Medication-assisted loss …
TL;DR: A 2026 service-mapping study in BJPsych Bulletin found that community forensic mental health services (CFMHS), specialist teams for people with mental disorder and serious risk histories, still vary widely across England in structure, referral access, staffing, and crisis coverage. Key Findings 32 services responded: Researchers received data from 32 CFMHS after sending Freedom of …
TL;DR: A 2026 study in Social Psychology found that a female professor and a male professor produced almost identical obedience in a modern Milgram-style replication, suggesting professional authority mattered more than the authority figure’s gender. Key Findings Authority gender: 88% of participants obeyed every instruction from a female professor, versus 90% with a male professor. …
TL;DR: A 2026 cross-sectional study in Disaster Medicine and Public Health Preparedness found that 159 of 230 Farsi-speaking refugees in German refugee camps screened at high risk for depression, anxiety, and PTSD symptoms, while resilience, psychological flexibility, meaning in life, and social support also predicted posttraumatic growth. Key Findings High distress was common: 159 of …
TL;DR: A 2026 retrospective case series study in European Journal of Psychotraumatology found that trauma flashbacks during esketamine nasal spray sessions were distressing but usually time-limited in 22 patients with treatment-resistant depression and PTSD; when treatment continued, depression response was 45.5% and PTSD improvement was 45.5%. Key Findings 22-patient case series: Researchers reviewed adults with …
