Tag

Brain Aging

All articles tagged with #brain aging

health11 days ago•88 min saved

Most Adults Are Missing Brain-Boosting Flavanols Despite Veggie Intake

A Harvard Medical School and University of Reading study analyzed 30,000 people and found about 80% don’t meet the 500 mg daily flavanol target, even among those who eat five servings of fruits and vegetables. Flavanols, found in colorful fruits, tea, and dark chocolate, are linked to heart health and slower brain aging, so simply meeting “five a day” isn’t enough; include flavanol-rich foods like plums, cranberries, blackberries, green tea, and apples with skin to boost intake.

via inc.com|

#brain-aging #flavanols #health

health16 days ago•5 min saved

Heavy drinking may accelerate brain aging, animal study suggests

A mouse-model study presented at the RSA meeting suggests chronic heavy alcohol exposure may speed up aging-related brain changes and Alzheimer's-like pathology via acetaldehyde buildup, with sex-specific differences observed; the work is preclinical and not yet proven in humans, highlighting the need for longitudinal human studies to see if reducing alcohol can alter brain-health trajectories.

via Medical News Today|

#acetaldehyde #alcohol-use #aldh22

science21 days ago•7 min saved

Vitamin C Linked to Preserved Brain Structure in Aging, Study Finds

A large cohort study of 2,044 Japanese adults aged 64+ found that lower plasma vitamin C levels were associated with reduced gray matter volume and weaker connectivity in the brain’s default mode network, suggesting nutrition may influence brain aging. The findings show associations, not causation, and the researchers call for longer-term, more diverse studies to understand underlying mechanisms.

via SciTechDaily|

#brain-aging #default-mode-network #neuroimaging

health24 days ago•5 min saved

Vitamin C linked to preserved brain structure in older adults

In a Japanese study of about 2,000 older adults, higher blood plasma vitamin C levels were linked to better-preserved brain gray matter and stronger connectivity in the default mode network, even after adjusting for age, smoking, diabetes and other factors. While the finding suggests vitamin C status may play a role in brain health, the study is observational and cannot prove causation, with limitations including a single blood measurement and limited generalizability beyond older Japanese adults. The results highlight dietary vitamin C sources rather than supplements as a potential piece of the broader brain-health puzzle.

via New York Post|

#brain-aging #default-mode-network #gray-matter

health29 days ago•7 min saved

Low Vitamin C Levels Linked to Reduced Gray Matter and Brain Connectivity in Aging

A study of about 2,000 adults over 64 found that lower blood plasma vitamin C is associated with reduced gray matter volume and weaker connectivity in the brain's default mode network, suggesting vitamin C status may relate to brain aging, though the results are observational and longitudinal research is planned to explore causality and cognitive impacts.

via Medical News Today|

#brain-aging #default-mode-network #gray-matter

science1 month ago•6 min saved

Menopause Reframes the Brain: Resting Networks Reorganize Across Midlife

A two-year study tracking resting-state brain activity across premenopause, perimenopause, and postmenopause found widespread, estrogen-linked changes in functional networks, indicating menopause is a neurological transition that may explain short-term cognitive symptoms and influence long-term brain aging. The work, published in Menopause, emphasizes that resting-state measurements reveal brain reorganization not captured by task-based tests and notes ongoing trials comparing natural hormonal trajectories with hormone therapy to protect brain health as women age; with about 6,000 US women entering menopause daily, the findings have broad public-health implications.

via Neuroscience News|

#brain-aging #estrogen #menopause

health1 month ago•41 min saved

New Sleep Patterns Linked to Brain Aging Markers, Study Finds

A University of Arizona study of over 23,000 adults links three sleep habits—sleep duration outside the 7–9 hour range, frequent daytime naps, and sleeplessness—to greater white matter brain lesions tied to aging and dementia risk; after accounting for vascular health and lifestyle factors, these patterns remained significant while snoring and unintentional daytime dozing did not. Short sleep (<7 hours) correlated with more lesions, while shorter, occasional naps may not be harmful; overall, sleep appears to be a modifiable risk factor that could influence brain aging and dementia risk.

via Good News Network|

#alzheimers-disease #brain-aging #dementia

health1 month ago•3 min saved

New UA findings tie sleep habits to brain aging markers

A University of Arizona analysis of more than 23,000 middle-aged and older adults links three common sleep behaviors—sleeping outside the 7–9 hour range, frequent daytime napping, and sleeplessness—to greater brain white matter lesion volumes, a marker of aging and dementia risk. After adjusting for vascular health and lifestyle factors, snoring and unintentional daytime dozing were not linked. The findings, published in Alzheimer's & Dementia, suggest sleep is a modifiable factor for brain aging, though more work is needed to understand nap length and timing.

via University of Arizona News|

#brain-aging #health #naps

health1 month ago•7 min saved

Three Sleep Habits Linked to Early Brain Aging Markers

A UK Biobank study of about 23,000 middle-aged and older adults followed for roughly nine years found that sleeping outside the seven-to-nine-hour window (especially fewer than seven hours), frequent daytime napping, and sleeplessness each correlate with higher brain white matter lesion volumes on MRI, a marker linked to aging and dementia risk. After adjusting for vascular and lifestyle factors, snoring and unintentional daytime dozing did not show the same links. Short sleep showed a stronger association than long sleep, and while naps can aid alertness, frequent napping may signal underlying sleep problems. The researchers emphasize sleep as a modifiable risk factor that could help reduce brain aging and dementia risk, though nap duration details were not captured in this study.

via Neuroscience News|

#brain-aging #dementia-risk #health

health1 month ago•14 min saved

UA study links sleep patterns to brain aging markers

A University of Arizona study analyzing brain MRIs from more than 23,000 middle-aged and older adults found that sleeping outside the recommended seven-to-nine hours, frequent daytime napping, and sleeplessness are linked to greater white matter lesion volumes, markers of brain aging and higher dementia risk; after accounting for vascular health and lifestyle factors, only three sleep behaviors remained significant, with shorter than seven hours showing increased lesion burden, while longer sleep showed no clear additional impact; researchers say sleep could be a modifiable risk factor for brain aging and dementias like Alzheimer's.

via KVOA|

#brain-aging #dementia-risk #health

science1 month ago•24 min saved

Hidden fat spots may speed up brain aging, study shows

A large UK Biobank analysis of over 18,000 middle-aged and older adults finds that fat distribution—arm, leg, trunk, and especially visceral fat around internal organs—independently shapes brain structure, connectivity, and cognitive performance beyond BMI. Arm and trunk fat are linked to sensorimotor cortex thinning and hippocampal volume loss; leg fat affects limbic networks; visceral fat shows the strongest association with white-matter deterioration and faster brain aging as estimated by a Brain Age model. These patterns persist after adjusting for BMI, but the cross-sectional design means causality cannot be established.

via PsyPost|

#adiposity #brain-aging #cognitive-function

science1 month ago•7 min saved

APOE2 Lets Neurons Fight DNA Damage, Slowing Brain Aging

Buck Institute researchers show that APOE2 helps neurons repair DNA and resist aging by reducing DNA damage and cellular senescence; studies in human iPSC-derived neurons and aged mice reveal APOE2–driven DNA repair activation and better nuclear integrity, offering a potential mechanism for APOE2's lower Alzheimer’s risk and longer lifespan and suggesting therapies that boost DNA repair for APOE4 carriers.

via SciTechDaily|

#alzheimers-disease #apoe2 #brain-aging

health-and-medicine2 months ago•7 min saved

Astrocyte boost clears Alzheimer’s plaques and protects memory in mice

Researchers increased Sox9 to heighten astrocyte activity in mouse models of Alzheimer's, promoting the clearance of amyloid plaques and preserving cognitive function, suggesting a therapy that harnesses the brain’s own support cells to slow dementia progression.

via ScienceDaily|

#alzheimers-disease #amyloid-plaques #astrocytes

science2 months ago•9 min saved

Intranasal spray resets aging brain and sharpens memory

Texas A&M researchers report that a two-dose intranasal spray delivering extracellular vesicles with microRNAs reduced brain inflammation, recharged neuronal mitochondria, and noticeably improved memory in preclinical aging models, suggesting a noninvasive therapy for brain aging and dementia that bypasses the blood-brain barrier; the team has filed a US patent with backing from the National Institute on Aging.

via futurity.org|

#brain-aging #extracellular-vesicles #intranasal-delivery

science2 months ago•16 min saved

Intranasal therapy reverses brain aging and memory decline in mice

A mouse study shows a simple intranasal spray delivering stem-cell–derived particles with microRNAs reduces brain inflammation, restores mitochondrial energy, and improves memory, suggesting a noninvasive approach to slowing or reversing age-related brain decline—pending human testing.

via Earth.com|

#brain-aging #dementia #inflammation