Tag

White Matter Lesions

All articles tagged with #white matter lesions

health2 months 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

health2 months 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

health2 months 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

health2 months 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

health3 years ago•2 min saved

Study: No Severe White Matter Lesions Linked to MDMA Use in Humans

A study published in NeuroImage: Clinical provides evidence that chronic MDMA may not cause white matter lesions that are seen from long-term use of other substances. Results showed increased fractional anisotropy, which suggests increased connectivity, for MDMA users in several brain regions, including the internal capsule, corpus callosum, and frontoparietal white matter. However, there was a negative relationship between fractional anisotropy and frequency of usage in the corpus callosum, suggesting the relationships discovered may be dependent on the frequency and dosage of MDMA use.

via PsyPost|

#chronic-users #health #mdma

health3 years ago•4 min saved

Controlling Blood Pressure Reduces Alzheimer's Risk and Slows Brain Aging.

Intensive blood pressure treatment with a target of less than 120 mm Hg can reduce the risk of adverse cerebrovascular events and improve overall brain health in adults over 50. Patients who more intensely managed their hypertension had fewer white matter lesions in the brain, which are associated with an increased risk of Alzheimer’s disease, cognitive decline, and accelerated brain aging. The study highlights the need for further research to determine the optimal blood pressure targets and treatment strategies for various population groups and to assess potential side effects of intensive blood pressure treatment.

via Neuroscience News|

#alzheimers-disease #blood-pressure #brain-health

health3 years ago•5 min saved

The Link Between COVID-19 and Brain Health

COVID-19 infection accelerates the progression of dementia, causing all subtypes of dementia to behave like rapidly progressive dementia, according to a study published in the Journal of Alzheimer’s Disease Reports. The line of demarcation between different types of dementia became blurry post-COVID-19, and both degenerative and vascular dementias started behaving like mixed dementia both clinically and radiologically. The study also found that COVID-19 fundamentally alters the course of dementia, causing a rapid progression of the disease, further impairments/deterioration of cognitive abilities, and the increase or new appearance of white matter lesions.

via Neuroscience News|

#cognitive-function #covid-19 #dementia