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Uk Biobank

All articles tagged with #uk biobank

neuroscience4 days ago•25 min saved

Shift Work Linked to Subtle Shrinkage in Amygdala and Thalamus, Reversible Upon Stopping

An analysis of UK Biobank data found that people who work shifts show a small but detectable volume loss in the left amygdala and right thalamus compared with non-shift workers, with greater loss at higher shift-work frequency. In participants who ceased shift work, the brain-volume decline halted within about 2.4 years and may show slight recovery; additional microstructural changes and lower scores on memory, processing speed, and fluid intelligence were observed. The authors caution that causality cannot be established and the effects are small, noting the UK Biobank sample is healthier and less diverse than the general population.

via PsyPost|

#amygdala #brain-volume-loss #neuroscience

health4 days ago•3 min saved

Goldilocks Sleep Window Tied to Slower Biological Aging

A study of about 500,000 UK Biobank participants finds a U-shaped link between nightly sleep duration and biological aging: roughly 6.4–7.8 hours per night is associated with less aging, while both shorter (<6 hours) and longer (>8 hours) sleep link to faster aging, though the findings are observational and may reflect underlying health differences rather than causation.

via Futurism|

#aging #biological-aging #health

health5 days ago•6 min saved

More Exercise Could Strengthen Heart Health Beyond Guidelines, but Realistic Goals Matter

A UK Biobank analysis of 17,088 people over ~8 years finds that while the standard 150 minutes per week of moderate-to-vigorous activity lowers cardiovascular risk, higher levels of exercise yield greater protection: about 340–370 minutes per week (~20% risk reduction) and roughly 9–10 hours per week (>30% reduction), with the largest benefits seen in those with lower fitness. Experts caution against overstating ultra-high targets and emphasize that the 150-minute minimum remains a valid baseline; more activity can help when feasible, but randomized trials are needed to confirm causality.

via ScienceAlert|

#cardiovascular-health #exercise #health

health9 days ago•7 min saved

Wine Linked to Lower Mortality Than Spirits or Beer at Light-to-Moderate Drinking

In a 13-year study of 340,924 UK Biobank participants, low to moderate wine intake was associated with lower mortality risk than spirits, beer, or cider, including a 21% lower risk of cardiovascular death for moderate wine drinkers; even modest intake of spirits, beer, or cider linked to higher cardiovascular mortality. Heavy drinking raised death risk across beverage types. The findings may reflect wine’s polyphenols and healthier drinking patterns, but the study is observational and could be influenced by lifestyle factors, so randomized trials are needed for confirmation.

via SciTechDaily|

#alcohol #cardiovascular-disease #health

health10 days ago•3 min saved

Substantial Heart Protection May Demand Nearly 10 Hours of Exercise Per Week

A UK Biobank analysis suggests that to achieve a substantial cardiovascular risk reduction—about 30%—people may need 560–610 minutes per week of moderate-to-vigorous activity, roughly 3–4 times the standard 150-minute guideline, with less-fit individuals needing more; the findings are observational and individual responses vary.

via Gizmodo|

#cardiovascular-disease #exercise #health

health10 days ago•2 min saved

Less-fit individuals must exercise more weekly to gain the same heart benefits, study finds

A UK Biobank study of over 17,000 adults followed for about eight years found that meeting the NHS guideline of 150 minutes per week reduces cardiovascular risk by ~8-9%, but the least fit participants needed about 30-50 extra minutes weekly to achieve the same benefit. Greater risk reductions require even more activity (370 minutes for ~20% risk reduction for least fit vs 340 minutes for most fit; >610 minutes for >30% reduction vs ~560). The findings suggest higher activity levels may be needed for optimal protection, though experts caution against pushing extreme weekly totals; public health guidance remains that 150 minutes is beneficial for all, with more providing added protection.

via The Guardian|

#cardiovascular-risk #exercise #fitness

health16 days ago•25 min saved

Sleep Sweet Spot for Healthy Aging Found in Half‑Million‑Person Study

A UK Biobank analysis of about 500,000 adults links sleep duration to systemic aging. Using 23 biological aging clocks, researchers found a U‑shaped pattern where roughly 6.4–7.8 hours of sleep per night corresponded to the lowest aging signals across organs (brain, liver, lungs, immune system, skin, endocrine system, adipose tissue, pancreas). Sleeping less than six hours or more than eight hours was associated with faster aging in several clocks, though the exact optimal range varied by organ and sex. The team calls this framework the Sleep Chart, underscoring sleep as a broad, modifiable factor in aging rather than a universal prescription.

via ZME Science|

#aging #aging-clocks #biological-aging

health17 days ago•7 min saved

Sleep Sweet Spot: 6.4–7.8 Hours Linked to Slower Aging Across 17 Organs

A UK Biobank study using organ-specific aging clocks across 17 organs finds a U-shaped relationship between sleep duration and biological aging: both <6 hours and >8 hours accelerate aging, with the slowest aging in people who sleep 6.4–7.8 hours daily. Sleep affects a coordinated brain–body network, linking short sleep to depression and metabolic/cardiovascular diseases, while long sleep associates with different pathways involving adipose clocks. The research suggests sleep optimization could slow systemic aging and reduce disease risk, including late-life depression.

via Neuroscience News|

#aging #aging-clocks #brain-body-network

science17 days ago•8 min saved

Finding the Sleep Sweet Spot: 6.4–7.8 Hours Linked to Slower Biological Aging

A large international study using 23 aging clocks across organs and UK Biobank data finds that both too little (<6 hours) and too much (>8 hours) sleep are associated with faster biological aging and higher mortality, with an optimal window roughly 6.4–7.8 hours. Short sleep links to cardiovascular, metabolic, and psychiatric risks, while long sleep clusters with brain-related conditions; the depression pathways differ between the two sleep patterns. The findings come from MRI, blood proteins, and metabolite data, highlighting sleep’s broad impact beyond the brain.

via StudyFinds|

#aging-clocks #biological-aging #depression

science18 days ago•6 min saved

Goldilocks sleep window tied to slower ageing in half a million people

A large UK Biobank analysis of about 500,000 adults links six-to-eight hours of nightly sleep with slower biological ageing and lower risk of early death and disease, across 23 ageing clocks in 17 organs; sleeping more or less than this window associates with faster ageing, though the study does not prove causation and individual optimum sleep may vary.

via Nature|

#ageing #biological-clocks #science

health1 month ago•26 min saved

Record-Size UK Study Pins 15 Modifiable Drivers of Early Dementia

A landmark UK Biobank study of adults under 65 without dementia tested 39 risk factors across social, genetic, lifestyle, and health domains and identified 15 linked to early dementia, including alcohol use, depression, vitamin D deficiency, and social isolation, making it the largest and most robust analysis of its kind and suggesting multiple modifiable levers to reduce risk.

via ZME Science|

#alcohol-use #dementia #health

technology1 month ago•5 min saved

UK Biobank data surfaces for sale on Alibaba in China

Around 500,000 UK Biobank participants’ health data were reportedly listed for sale on Alibaba in China. The data were described as de-identified and not containing names or contact details, though they could include age, birth month/year, gender, socioeconomic status, lifestyle factors, and biological measurements. UK Biobank and the government are investigating; access to the data is being restricted and a board-led forensic review is planned. No purchases have been confirmed, but the incident raises concerns about data infrastructure and participant trust in large health-data projects.

via BBC|

#alibaba #data-breach #de-identified

science1 month ago•34 min saved

Fractal Clues Unravel Heart’s Hidden Network

Researchers used fractal theory, MRI imaging, and genetics on 18,096 UK Biobank participants to show that the heart’s trabeculae—the snowflake-like muscular network—help determine cardiac performance and disease risk, a finding that builds on Leonardo da Vinci’s centuries-old observations and marks a first step toward a deeper understanding of how trabeculae form and function.

via Yahoo|

#fractal-analysis #genetics #heart

health2 months ago•5 min saved

Moderate Wine Intake Linked to Lower Heart-Death Risk, UK Study Finds

A UK Biobank study of 340,924 adults (2006–2022) found that moderate wine drinkers have about a 21% lower risk of dying from heart disease than non-drinkers, while light beer, cider, or liquor showed no such benefit and may increase heart-disease mortality with some consumption. Heavy drinking raised risks across all-cause mortality (24%), cancer (36%), and heart disease (14%). Possible explanations include compounds in red wine and the tendency to drink with meals, but limitations include self-reported intake and a healthier study population, limiting generalizability. The findings suggest beverage type and lifestyle factors influence alcohol-related health risks more than amount alone.

via New York Post|

#alcohol #health #heart-disease

health2 months ago•4 min saved

Wine linked to lower heart risk than other drinks in a large study

A UK Biobank analysis of more than 340,000 adults followed for about 13 years finds that moderate wine consumption is associated with a 21% lower risk of cardiovascular death, while low intake of beer, cider or spirits shows roughly 9% higher mortality; heavy drinking increases risk across the board. The authors caution that the study is observational and lifestyle factors may influence results, and randomized trials are needed for clearer cause-and-effect conclusions.

via Euronews.com|

#alcohol #cardiovascular #health