Mental Disorders


Proton Pump Inhibitor Use Linked to Dementia Risk in Older Adults

Proton pump inhibitor (PPI) use was modestly associated with incident dementia in older adults (pooled HR = 1.18), but the strength and specificity of this association depended substantially on comparator selection and handling of time-related bias. In the meta-analysis of 23 longitudinal observational studies of older adults without dementia at […]


Antidepressants Differ in Efficacy and Acceptability in Long-Term Treatment of Major Depressive Disorder

Escitalopram, duloxetine, and agomelatine achieved higher sustained response rates than fluoxetine, while escitalopram and duloxetine also showed lower all-cause discontinuation, according to a systematic review and network meta-analysis of 115 double-blind randomised controlled trials (30,428 participants) comparing 21 antidepressants for long-term (>12 weeks) treatment of adult unipolar major depressive disorder. […]


Circadian Depression Subtype Linked to More Severe Symptoms and Poorer Antidepressant Response

A circadian subtype of depression is associated with earlier disease onset, more severe clinical features, poorer response to commonly prescribed antidepressants, and a distinct genetic risk profile. In a nationwide Australian Genetics of Depression Study, 2,604 participants (23%) met criteria for this subtype, defined by at least three circadian-associated features, […]


Early Brain Ageing Linked to the Gut–Brain Axis

Higher functional-connectivity-derived brain age deviation was consistently associated with poorer cognitive performance—particularly working memory and executive function—and greater depressive symptoms in young and mid-life adults, while also showing links to gut microbial and metabolic signatures. In a discovery cohort of 674 participants, with replication in a cohort of 444 and […]


Domain-Specific Physical Activity and Dementia Risk

Higher levels of physical activity were associated with lower risks of all-cause dementia, Alzheimer’s disease, and vascular dementia, but the associations differed substantially by physical activity domain. In this systematic review and meta-analysis, 74 cohort and case–control studies involving 4,227,297 participants were analyzed, with a median follow-up of 10.0 years. […]


WHO Dementia Prevention Guidelines Updated

To reduce the risk of cognitive decline and/or dementia specifically, the WHO just released updated guidance and dementia-specific recommendations: cognitive training may be offered to older adults with normal cognition or mild cognitive impairment and engagement in cognitive stimulation may be encouraged. Engagement in social activity interventions may be recommended. […]