meta-analysis
Published research on meta-analysis.

A 2026 meta-analysis of 54 human studies found that 8-hydroxy-2′-deoxyguanosine rose in Parkinson’s disease, while F2-isoprostanes did not show a statistically confirmed Parkinson’s signal; …
Read article →
A 30-trial meta-analysis found that cholinergic modulators improved schizophrenia negative symptoms, SMD −0.42, while the overall total PANSS/BPRS effect was not statistically significant.1 …
Read article →
A 2026 medRxiv meta-analysis of 27 trials found that transcranial direct current stimulation added to cognitive training improved global cognition immediately after treatment by SMD 0.36 com…
Read article →
Patients with chronic insomnia frequently end up on both a sleep medication and cognitive behavioral therapy for insomnia (CBT-I), and a 2026 AASM meta-analysis of 15 RCTs from Buysse et al.…
Read article →
A 2026 review of 52 studies found that chronic primary pain is linked to several physiological stress markers, especially cortisol, heart rate, heart-rate recovery, and mean arterial pressur…
Read article →
An Ethiopian umbrella review estimated perinatal depressive symptoms at 22.49% across 8 systematic reviews and meta-analyses. Antenatal and postnatal rates were similar, so the burden spans …
Read article →
A 2026 systematic review and meta-analysis of randomized trials found no broad superiority for phase-based complex PTSD care across most outcomes. Affect dysregulation was the clearest excep…
Read article →