Mental and Cognitive Health Library
Every article, presentation, spotlight, and news item we've tagged to Mental and Cognitive Health.
Showing 145–168 of 203
Compounding Associations of Air Pollution and Heat Exposure With Cognitive Health Among Chinese Adults Aged 45+
Combined exposure to air pollution and heat accelerates cognitive decline in adults over 45, with compounding effects that exceed either exposure alone. This dual environmental stressor presents a significant mechanism of cognitive aging that demands attention in longevity planning.
Acceleration of Lactate Uptake and Utilization Contributes to Neuroprotective Action of FGF21 Involved in Naturally Aging Mice
FGF21 enhances lactate uptake and utilization in the aging brain, protecting against neuroinflammation-driven cognitive decline. This mechanism reveals how metabolic efficiency at the cellular level directly influences neuronal resilience during aging.
GLP-1 drugs hint at protection against neurodegeneration
GLP-1 receptor agonists show mechanistic promise against neurodegeneration through multiple pathways—improved mitochondrial function, enhanced cellular cleanup, and reduced inflammation—but human evidence remains preliminary, with mixed cognitive outcomes in early trials and inconsistent results across disease types.
Host Oxidative Response Capacity Determines Longevity Outcomes of Microbial Interventions
Host genetic capacity to manage oxidative stress determines whether microbiota interventions extend or shorten lifespan. Individuals with genetic variants affecting redox buffering show accelerated aging when exposed to the same microbial signals that promote longevity in genetically robust hosts. This finding establishes oxidative stress management as the critical variable in microbiome-driven aging outcomes.
Tai Chi and Qigong to Enhance Cognitive Function in Community-Dwelling Older Adults: Evidence from a Systematic Review and Meta-Analysis
Tai Chi and Qigong demonstrate measurable cognitive benefits in older adults through systematic review and meta-analysis, with effect sizes comparable to established interventions. This evidence supports non-pharmacological approaches to address age-related cognitive decline at the population level.
Wearables may spot brain changes earlier
Continuous passive monitoring via consumer wearables can detect meaningful variability in cognitive and mood patterns over months, capturing environmental and physiological influences on brain function earlier than episodic clinical assessment. The strongest predictive signals—sleep quality, heart rate patterns, and environmental exposure—suggest brain health is fundamentally linked to systemic and environmental conditions rather than isolated neural function.
Subcellular orchestration of microglial aging
Microglia—brain immune cells—reorganize their internal structure with age in ways that correlate with functional decline. Subcellular transcript localization patterns reveal how these cells alter their morphology during aging, providing a cellular mechanism underlying age-related cognitive and neurological changes.
The Immune‐Autonomic Interface in Aging: Baseline Immune Profile Shapes Cardiac Autonomic Response to Exercise
Baseline immune cell profiles in older adults predict how their heart rate variability responds to acute exercise stress. This immune-autonomic relationship reveals why individuals show heterogeneous physiological resilience during aging, informing personalized intervention strategies.
Brain Cell Transcription Shifts Drive Age-Related Neuroinflammation
Microglia and oligodendrocytes—brain resident immune and myelin-producing cells—undergo coordinated transcriptional reprogramming from early development through aging, with inflammatory gene expression patterns intensifying in aged tissue. This coordinated shift establishes a mechanistic link between developmental brain maturation and age-related neuroinflammation, revealing how cellular transcriptional programs set early in life may predispose neural tissues to chronic low-grade inflammation later.
Muscle Mitochondria Protect Male Cognition Via Glucose; Female Via Inflammation
Skeletal muscle mitochondrial oxidative capacity predicts cognitive decline over a decade, with markedly different pathways between sexes: glucose metabolism in men, hematologic-inflammatory signaling in women. This sex-differentiated mechanism reveals that identical biomarkers may reflect distinct physiological processes depending on biological sex.
Oligomer targeting reshapes Alzheimer's safety profile
ProMIS Neurosciences reported interim Phase 1b data showing PMN310, which targets toxic amyloid oligomers rather than large plaques, produced no cases of amyloid-related imaging abnormalities (ARIA-E) in a cohort with high APOE4 representation. This selective approach may expand treatment access for genetically high-risk populations previously limited by safety concerns with conventional anti-amyloid therapies.
Avoidance of rejuvenation: a stress test for evolutionary theories of aging
Evolutionary theory predicts that organisms should invest in rejuvenation when it is energetically favorable, yet most do not. This paradox reveals fundamental constraints on aging that challenge current models of senescence and suggests the biological capacity for rejuvenation may be far more limited than previously assumed.
Cognitive toolkit detects early Alzheimer’s signs
Researchers developed a Mandarin-language cognitive toolkit to detect early Alzheimer's signs in older Chinese Americans, addressing diagnostic gaps created by language and cultural bias in English-based assessments. The validated tests correlate with English measures and early blood-based biomarkers, enabling earlier intervention and broader research participation in underserved communities.
Single MRI Predicts Alzheimer's Cognitive Decline Trajectory
Researchers developed a machine learning framework that predicts Alzheimer's disease diagnosis, cognitive decline, and future trajectory from a single baseline MRI scan combined with demographic data. This approach enables earlier identification of cognitive decline patterns before symptoms fully manifest, shifting the timeline for potential intervention.
Alzheimer’s risk gene reveals hidden bone decline in women
APOE4, a major Alzheimer's disease risk gene, compromises bone quality in women through disruption of osteocytes—the long-lived cells responsible for maintaining bone microarchitecture—despite normal appearance on standard imaging. This finding suggests bone deterioration may serve as an early, detectable signal of neurodegenerative risk before cognitive symptoms emerge.
p75 receptor preserves muscle strength aging
p75 neurotrophin receptor activation preserves the structural integrity of neuromuscular junctions and maintains muscle strength throughout aging. This mechanism represents a pathway through which neural-muscle communication can be sustained, directly opposing the decline in force production that typically accompanies advancing age.
Regulation of Lipid Dysmetabolism and Neuroinflammation Progression Linked With Alzheimer's Disease Through Modulation of Dgat2
Dgat2, an enzyme controlling triglyceride synthesis, emerges as a critical regulator linking amyloid pathology to lipid accumulation and neuroinflammation in Alzheimer's disease. Suppressing Dgat2 in animal models restores cognitive function, synaptic integrity, sleep quality, and circadian rhythms while reducing neuroinflammatory signaling, indicating a conserved therapeutic target across species.
ADDF launches new phase of $150m Alzheimer’s diagnostics accelerator
The Alzheimer's Drug Discovery Foundation has committed an additional $50 million to its Diagnostics Accelerator program, now totaling $150 million, to advance blood-based biomarkers, multi-marker panels, and AI-driven diagnostic tools for Alzheimer's disease. This investment targets earlier detection and disease monitoring to enable preventive interventions and combination therapies before irreversible neurodegeneration occurs.
Menopause linked to brain structure shifts
Post-menopausal women show measurable reductions in gray matter volume within memory and emotion-regulating brain regions, correlating with increased anxiety, depression, and sleep disruption. This structural shift represents a neuroendocrine transition point with downstream implications for cognitive resilience and cardiometabolic risk in aging.
Brain-centered longevity: why trauma recovery shapes aging
Jupiter Neurosciences acquired exclusive US rights to ALA-002, a clinical-stage psychedelic therapy for treatment-resistant PTSD and severe anxiety, signaling a strategic shift in longevity medicine toward brain-centered approaches. The deal reflects growing recognition that neurological health and trauma recovery may be foundational to aging biology itself.
Testing the redox theory of aging under parasitism
Parasitic infection accelerates oxidative stress and aging markers in host organisms, providing empirical support for redox-based aging mechanisms. This finding illuminates how chronic pathogenic burden compounds systemic dysfunction and accelerates cellular deterioration through reactive oxygen species accumulation.
Sensory Stimulation Elevates Neuroprotective Lipid Proteins
Cognito's Spectris device, a non-invasive sensory stimulation wearable, increased cerebrospinal fluid levels of HDL-like lipid transport proteins in amyloid-positive mild cognitive impairment participants. This finding suggests sensory-driven neurostimulation may modulate lipid metabolism in ways that support cognitive resilience in early Alzheimer's disease.
Urbanization, environment, and inflammaging: insights from sub-Saharan Africa
Urban environments in sub-Saharan Africa show accelerated inflammaging—chronic, low-grade systemic inflammation associated with aging—driven by environmental stressors including air pollution, pathogenic load, and dietary shifts. This research identifies modifiable environmental and lifestyle factors that influence the rate of immunological aging independent of chronological age.
Rafael Holdings gains exclusive MIT Alzheimer’s patent
Rafael Holdings secured exclusive MIT patent rights for cyclodextrin-based molecules targeting ApoE4-positive Alzheimer's disease by restoring cholesterol transport between brain cells. This represents a shift from amyloid-clearance paradigms toward addressing the cellular infrastructure that prevents pathological buildup in the first place.