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Science BulletinHumans

Wearable movement data links to hundreds of human diseases

In 70,473 adults followed for up to 10 years, 210 wearable activity phenotypes were linked to 406 diseases, with step intensity and circadian rhythm…In 70,473 adults followed for up to 10 years, 210 wearable activity phenotypes were linked to 406 diseases, with step intensity and circadian rhythm showing prominent ties. In a cohort of 70,473 human participants followed for up to 10 years, researchers analyzed 11.8 million person-hours…

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Scientific ReportsAnimals

TMEM174 deficiency shortens lifespan and stiffens vessels in mice

Knocking out the proximal tubule protein in mice shortened survival, whereas altering dietary phosphate intake regulated vascular calcification…Knocking out the proximal tubule protein in mice shortened survival, whereas altering dietary phosphate intake regulated vascular calcification, stiffness, and mortality. In mice, deficiency of the renal proximal tubule protein TMEM174 significantly shortened lifespan compared to wild-type…

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Nature HealthHumans

Low education linked to tripled premature mortality in India

Among non-smoking non-drinkers, adults with no schooling had a mortality rate ratio of 2.76 in men and 2.93 in women compared to higher education.Among non-smoking non-drinkers, adults with no schooling had a mortality rate ratio of 2.76 in men and 2.93 in women compared to higher education. In a prospective study of 500,810 adults aged 35 and older in Chennai, India, researchers evaluated how social inequality, smoking, and alcohol…

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Frontiers in PhysiologyHuman trial

Baguazhang lowers systolic blood pressure in postmenopausal women

In a randomized trial, 12 weeks of the mind-body exercise lowered systolic blood pressure by 7.2 mmHg compared with habitual lifestyle.In a randomized trial, 12 weeks of the mind-body exercise lowered systolic blood pressure by 7.2 mmHg compared with habitual lifestyle. Forty-six sedentary postmenopausal women enrolled in a 12-week randomized controlled trial evaluating Baguazhang, a traditional Chinese mind-body…

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iScienceModel organisms

RAS/MAPK overactivation drives motor axon loss in flies

An unbiased genetic screen in Drosophila revealed that excessive RAS/MAPK signaling causes adult-onset neurodegeneration that a MEK inhibitor rescues…An unbiased genetic screen in Drosophila revealed that excessive RAS/MAPK signaling causes adult-onset neurodegeneration that a MEK inhibitor rescues in a dose-dependent manner.

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Aging CellCells

Direct conversion to neural stem cells de-ages human blood cells

Converted cells preserved around 13% and 5% of original donor age at low and high passages, respectively, through a protracted de-aging process.Converted cells preserved around 13% and 5% of original donor age at low and high passages, respectively, through a protracted de-aging process. In human blood cells from donors ranging from neonatal to 101 years of age, researchers tracked cellular rejuvenation during direct lineage…

The Journal of Nutrition, Health & AgingHumans

Metabolic signature links frailty to coronary artery disease

A 36-metabolite signature mediated an estimated 18.5% of the association between frailty and incident coronary artery disease over a median 14.8-year…A 36-metabolite signature mediated an estimated 18.5% of the association between frailty and incident coronary artery disease over a median 14.8-year follow-up. In 223,907 UK Biobank participants free of coronary artery disease at baseline, researchers tracked cardiovascular outcomes over…

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Frontiers in ImmunologyAnimals

Fungus drives spleen aging in mice, eased by astragaloside IV

In aged mice, Kazachstania pintolopesii aggravated spleen damage and immune cell ferroptosis, while astragaloside IV treatment restored immune…In aged mice, Kazachstania pintolopesii aggravated spleen damage and immune cell ferroptosis, while astragaloside IV treatment restored immune function and iron homeostasis. In aged mice, exposure to the fungus Kazachstania pintolopesii accelerates splenic senescence, according to a study…

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Kidney MedicineHumans

Neighborhood disadvantage links to dementia in kidney failure

Among older dialysis patients, living in highly disadvantaged neighborhoods was linked to adjusted hazard ratios of 1.09 for dementia and 1.25 for…Among older dialysis patients, living in highly disadvantaged neighborhoods was linked to adjusted hazard ratios of 1.09 for dementia and 1.25 for Alzheimer's disease. Older patients aged 55 and older who began dialysis between 2003 and 2021 were evaluated using United States Renal Data…

Residential neighborhood disadvantage and time to (A) dementia diagnosis and (B) Alzheimer's disease diagnosis among older patients (aged ≥ 55) with kidney failure initiating dialysis (2003-2021).
Neurology Open AccessHumans

Epigenetic age links to higher dementia risk in older adults

In 2,606 participants, higher DunedinPACE was associated with increased risks of mild cognitive impairment (hazard ratio 1.16) and all-cause dementia…In 2,606 participants, higher DunedinPACE was associated with increased risks of mild cognitive impairment (hazard ratio 1.16) and all-cause dementia (hazard ratio 1.30). In 2,606 Framingham Heart Study Offspring cohort participants (mean age 66 years), researchers examined how three DNA…

Nature CommunicationsIn silico

Brain metabolism model predicts Alzheimer tau in humans

Trained on 1,088 participants, the machine learning framework predicted flortaucipir-PET with R² values of 0.34 to 0.71 and classified tau stages with…Trained on 1,088 participants, the machine learning framework predicted flortaucipir-PET with R² values of 0.34 to 0.71 and classified tau stages with 79% to 95% accuracy. In a study of 1,088 human participants spanning normal aging and Alzheimer’s disease and related disorders…

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American Journal of Preventive CardiologyHumans

Risk factors for atherosclerosis diverge across vascular beds

Across 468,266 adults followed for 13 years, genetics drove initial disease onset, whereas clinical and lifestyle factors dominated subsequent…Across 468,266 adults followed for 13 years, genetics drove initial disease onset, whereas clinical and lifestyle factors dominated subsequent polyvascular spread and mortality.

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Alzheimer's Research & TherapyHumans

Aspirin initiation before 65 links to lower Alzheimer's risk

Across electronic health records and insurance claims databases, starting aspirin before age 65 was consistently associated with lower incident…Across electronic health records and insurance claims databases, starting aspirin before age 65 was consistently associated with lower incident Alzheimer’s disease risk. In human health records and cortical organoids, researchers evaluated aspirin as a repurposed candidate against…

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Cardiovascular DiabetologyHumans

Combined frailty and metabolic index tracks multimorbidity risk

Across 5,586 Chinese adults, each standard-deviation increment in CTI-FI was associated with a 1.342 hazard ratio for incident cardiometabolic…Across 5,586 Chinese adults, each standard-deviation increment in CTI-FI was associated with a 1.342 hazard ratio for incident cardiometabolic multimorbidity. Researchers analyzed 5,586 middle-aged and older participants from the China Health and Retirement Longitudinal Study who were…

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American Journal of Preventive CardiologyHumans

AI detects coronary calcium in adults with zero scores

In individuals with conventional zero scores, AI-detected calcium tracked a 7.7% 20-year coronary heart disease incidence compared with 3.8% in those…In individuals with conventional zero scores, AI-detected calcium tracked a 7.7% 20-year coronary heart disease incidence compared with 3.8% in those without. In a pooled analysis of 3,965 human participants from the Multi-Ethnic Study of Atherosclerosis and the Framingham Heart Study with…

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bioRxivAnimalsPreprint

Hypothalamic tau impairs pair bonding in male prairie voles

Expressing mutant tau in the paraventricular hypothalamus stopped 18-month-old male prairie voles from forming selective bonds and altered their…Expressing mutant tau in the paraventricular hypothalamus stopped 18-month-old male prairie voles from forming selective bonds and altered their oxytocin signaling. In monogamous prairie voles, expressing dementia-linked tau P301L in the hypothalamus disrupts selective social bonds…

Frontiers in Public HealthHumans

Machine learning stratifies disability risk in older adults

An XGBoost model reached an AUC of 0.782 in an external cohort of 2,066 older adults to predict basic activities of daily living disability.An XGBoost model reached an AUC of 0.782 in an external cohort of 2,066 older adults to predict basic activities of daily living disability. In a study of older adults aged 65 and older, researchers developed and externally validated a machine learning model to predict disability risk.

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arXivIn silicoPreprint

Acoustic noise alters speech-based Alzheimer's model predictions

Across three self-supervised learning models tested on ADReSSo speech audio, controlled acoustic interventions systematically shifted diagnostic…Across three self-supervised learning models tested on ADReSSo speech audio, controlled acoustic interventions systematically shifted diagnostic predictions for Alzheimer's disease.

Scientific ReportsHumans

Miscarriage propensity links to higher type 2 diabetes risk

In 39,468 women, each 0.1-unit rise in miscarriage propensity was associated with a hazard ratio of 1.38 for incident type 2 diabetes.In 39,468 women, each 0.1-unit rise in miscarriage propensity was associated with a hazard ratio of 1.38 for incident type 2 diabetes. In 42,313 gravid Sister Study participants, researchers evaluated whether a history-based measure of miscarriage propensity predicts subsequent gestational…

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Experimental & Molecular MedicineCells

Calcium overload impairs muscle regeneration by driving sustained NFAT signaling

Inhibiting NFAT restored myoblast differentiation in culture and improved myofiber repair in injured mice.Inhibiting NFAT restored myoblast differentiation in culture and improved myofiber repair in injured mice. In experiments using cultured myoblasts, mice, and human tissues, researchers investigated how calcium overload hinders skeletal muscle regeneration.

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Blood AdvancesHumans

Electronic frailty index predicts CAR-T outcomes in older adults

Very frail older patients had worse overall survival (HR=1.64) and event-free survival (HR=2.02) after CAR-T therapy than robust or prefrail peers.Very frail older patients had worse overall survival (HR=1.64) and event-free survival (HR=2.02) after CAR-T therapy than robust or prefrail peers. Researchers retrospectively evaluated 260 adults aged 65 and older who received commercial CAR-T therapy for multiple myeloma or B-cell…

Acta BiomaterialiaHumans

Human aortic elastin degrades with age in males but not females

In 17 human thoracic aorta samples, elastin stiffness, straightness, and lamellar length decreased significantly with age in males (p < 0.05) but not…In 17 human thoracic aorta samples, elastin stiffness, straightness, and lamellar length decreased significantly with age in males (p < 0.05) but not females. Researchers analyzed purified elastin networks from 17 human thoracic aortas from donors aged 26 to 92 years, including nine males…

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Aging CellAnimals

Elamipretide improves oocyte quality and restores fertility in aged mice

The peptide also boosted maturation and fertilization in aged human oocytes by activating the vitamin B6 and VEGF pathway.The peptide also boosted maturation and fertilization in aged human oocytes by activating the vitamin B6 and VEGF pathway. In female mice experiencing reproductive aging, administration of the peptide elamipretide increased litter size and ameliorated age-related declines in oocyte…

A small oocyte with disordered chromosomes above a mouse with two pups, beside a healthy oocyte with an aligned spindle above a mouse with a large litter.
The Lancet Global HealthHumans

Most COPD is underdiagnosed and linked to higher mortality

In over 119,000 adults, 89.2% of COPD cases were underdiagnosed, which was associated with a 1.53 hazard ratio for mortality compared to having no…In over 119,000 adults, 89.2% of COPD cases were underdiagnosed, which was associated with a 1.53 hazard ratio for mortality compared to having no COPD. In a prospective study of 119,252 adults aged 35 to 70 across 25 countries, researchers assessed the burden and outcomes of chronic…

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Molecular EcologyModel organisms

Somatic mutations track age in reef-building corals

Whole-genome sequencing of eight coral colonies showed somatic mutations followed power-law distributions, faced purifying selection, and helped age a…Whole-genome sequencing of eight coral colonies showed somatic mutations followed power-law distributions, faced purifying selection, and helped age a colony to nearly a century.

A branching coral beside diagrams of polyps and tissue layers showing sparse against dense accumulations of red somatic mutations as corals age.
BMC GeriatricsHumans

Early cognitive frailty can reverse in rural older adults

In rural older adults, transition intensity from reversible cognitive frailty was 0.429 toward cognitive impairment alone and 0.291 toward physical…In rural older adults, transition intensity from reversible cognitive frailty was 0.429 toward cognitive impairment alone and 0.291 toward physical frailty, versus 0.224 toward further deterioration.

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American Journal of Preventive CardiologyHumans

Waterpipe smoking is linked to higher cardiovascular mortality

Compared with never-smokers, ever-smokers of waterpipe had about a 60% higher risk of cardiovascular death, with a hazard ratio of 1.57.Compared with never-smokers, ever-smokers of waterpipe had about a 60% higher risk of cardiovascular death, with a hazard ratio of 1.57. In a cohort of 35,646 Vietnamese adults aged 18 and older, ever-smoking waterpipe was associated with an increased risk of cardiovascular disease death.

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medRxivIn silicoPreprint

Post-pandemic death deficits emerge across 33 countries

Across 38 populations, total 2020–2025 excess deaths reached 0.92–2.49 million, offset by a 2024–2025 deficit of 0.39–1.08 million deaths.Across 38 populations, total 2020–2025 excess deaths reached 0.92–2.49 million, offset by a 2024–2025 deficit of 0.39–1.08 million deaths. In 38 human populations with reliable vital registration data, researchers evaluated excess mortality across 2020–2025 using granular age…

EMBO Molecular MedicineAnimals

Prostaglandin E2 drives cellular senescence and scar fibrosis after cesarean section in mice

Blocking the prostaglandin E2 pathway or targeting cellular senescence reduces uterine scarring and improves tissue repair in mouse models of cesarean…Blocking the prostaglandin E2 pathway or targeting cellular senescence reduces uterine scarring and improves tissue repair in mouse models of cesarean defects. In a new mouse model of cesarean section scar defects, researchers investigated the mechanisms that disrupt uterine healing.

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Advanced ScienceIn silico

Facial foundation model estimates clinical biomarkers

Pretrained on 10 million images, the model assessed 62 biomarkers across eight physiological systems, reaching a median Pearson's r of 0.172 across…Pretrained on 10 million images, the model assessed 62 biomarkers across eight physiological systems, reaching a median Pearson's r of 0.172 across four cohorts. In human datasets, researchers developed MedicalFaceFound, a facial foundation model trained on over 10 million images to…

Brain, Behavior, & Immunity - HealthHumans

Severe infections and poor cognition link bidirectionally

Prior hospital-treated infection linked to lower general cognition (β = -0.11 SD), while each 1-SD higher cognitive score predicted a 36% lower risk…Prior hospital-treated infection linked to lower general cognition (β = -0.11 SD), while each 1-SD higher cognitive score predicted a 36% lower risk of future infection. In a study of 1,159 adults aged 65 and older from the English Longitudinal Study of Ageing, researchers investigated how…

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NPJ Digital MedicineHumans

Brain signatures of BMI detect systemic disease better than BMI

Across six human cohorts and a 2.3-year follow-up, neural networks identified brain structural patterns tied to cardiometabolic and pulmonary…Across six human cohorts and a 2.3-year follow-up, neural networks identified brain structural patterns tied to cardiometabolic and pulmonary conditions. In human participants from six independent cohorts, researchers applied deep learning to T1-weighted MRI scans to isolate structural…

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4 Oct
  1. 3,079Papers read
  2. 119About aging biology4% of papers read
  3. 36Stories30% of those

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