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Biological Age

All articles tagged with #biological age

health12 days ago

Yale Study Identifies Metformin and Semaglutide as Top Anti-Aging Interventions

A Yale University study published in Nature Medicine analyzes 51 human trials to determine which interventions actually lower biological age. The research confirms that lifestyle changes and specific prescription drugs, notably metformin and semaglutide, significantly reduce epigenetic age markers. In contrast, over-the-counter supplements and certain medical procedures showed minimal impact. While these biomarker shifts suggest a slowing of biological aging, researchers caution that a younger clock reading does not yet guarantee longer life or reduced disease risk.

via scitechdaily.com|
#anti-aging#biological-age#epigenetics
Short-Term Diet Shifts Cut Aging Biomarkers in Older Adults
health23 days ago

Short-Term Diet Shifts Cut Aging Biomarkers in Older Adults

A four-week trial in Australians aged 65–75 found that reducing dietary fat or animal-based protein lowered estimated biological age, as measured by 20 biomarkers, with three of four diet patterns showing age-related biomarker reductions and the strongest effect in an omnivorous high-carbohydrate plan. Researchers caution that these results are preliminary, and it remains unknown whether the changes persist long-term or reduce aging-related disease risk.

via ScienceDaily|
#aging#biological-age#biomarkers
Rethinking Aging Reversal: Biomarkers Must Meet Functional Gains
science1 month ago

Rethinking Aging Reversal: Biomarkers Must Meet Functional Gains

A Cell Metabolism commentary argues that 'reversing aging' cannot be defined by a single biomarker alone; convincing reversal requires both younger molecular patterns and lasting improvements in function (grip strength, memory, mobility), plus replication across measurements. Trials like CALERIE show mixed aging-marker results (DunedinPACE slowed slightly; PhenoAge/GrimAge unchanged), underscoring the gap between biology and daily function. The authors propose practical checks (same measure before/after, persistence after the intervention, orthogonal replication) and highlight XPRIZE Healthspan as a model for assessing rejuvenation across multiple domains.

via ScienceAlert|
#aging#aging-research#biological-age
Sleep tech bed now estimates your biological aging as you snooze
technology1 month ago

Sleep tech bed now estimates your biological aging as you snooze

Eight Sleep’s Pod mattress now includes a Biological Age feature that passively tracks aging pace and biological age while you sleep, using sensors in the mattress cover (and optional data from a wearable) to measure heart rate, HRV, respiration, sleep stages and duration, with validation against clinical standards; developed with biohacker Bryan Johnson, it aims to make longevity data actionable in daily life, and the latest Pod costs $2,999 with a five‑year warranty and a 30‑night trial.

via New York Post|
#biological-age#biometrics#bryan-johnson
Histology-based tissue clocks reveal organ-specific aging patterns and disease signals
science1 month ago

Histology-based tissue clocks reveal organ-specific aging patterns and disease signals

A large-scale study analyzes 25,713 whole-slide pathology images from 983 GTEx donors across 40 tissues to build tissue-specific “tissue clocks” that predict biological age from tissue morphology. The clocks achieve a mean absolute error of about 4.9 years and an r2 of ~0.69, with age gaps correlating to telomere shortening and subclinical pathologies. Higher age gaps accompany tissue-specific disease features and comorbidities, and tissue clocks generalize to independent brain, lung and skin cohorts. Comparisons with DNA methylation clocks show modality-specific strengths, while integrating RNA-seq data reveals tissue-specific gene expression changes linked to aging. Vision-language models help interpret aging-related histological features, and the authors demonstrate potential to predict tissue age gaps from blood expression, enabling non-invasive aging assessment and disease risk signals for conditions such as Alzheimer’s disease, stroke and Crohn’s disease.

via Nature|
#aging#biological-age#gtex
Younger adults with older-looking biology linked to higher risk of early-onset cancers, study finds
science3 months ago

Younger adults with older-looking biology linked to higher risk of early-onset cancers, study finds

A Nature Medicine study analyzed UK Biobank and All of Us data to estimate biological age (the gap between chronologic and biological aging) using aging clocks like PhenoAge and Klemera-D Doubal. It found that younger cohorts show larger age gaps and that those with older-appearing biology have a higher risk of early-onset cancers, especially lung, gastrointestinal and uterine cancers. The associations are correlational and may be influenced by calibration of aging tests or other exposures; results require replication and further validation before concluding a causal link between faster biological aging and early-onset cancer.

via Live Science|
#aging#biobanks#biological-age
Florida Emerges as a Frontline in Slowing Biological Aging
health4 months ago

Florida Emerges as a Frontline in Slowing Biological Aging

Florida is becoming a hub for aging research and longevity clinics, with University of Miami scientists studying brain-age and colon-polyp risk while University of Florida researchers explore how lifestyle can slow brain aging; clinics statewide offer screenings, peptides, and personalized plans that can cost from a few hundred to over $150,000 per year. At-home tests run about $200–$500 to estimate biological age, as researchers push toward brain-scan and AI-based biomarkers to better measure aging and guide interventions, though lifestyle factors remain a key determinant of biological age.

via Tampa Bay Times|
#aging#biological-age#florida
Epigenetic clocks are research tools, not consumer health tests
science5 months ago

Epigenetic clocks are research tools, not consumer health tests

Epigenetic aging clocks sold as “biological age” tests are powerful research tools for studying aging at the population level but unreliable for individuals: dozens of clocks can disagree, results vary by sample type and short-term factors, and there is no universal gold standard. They are not medical diagnostics and should be used by researchers to identify population-level lifestyle factors that slow aging or to test therapies, not for personal health decisions or insurance decisions, though future work may eventually inform individualized care.

via The Conversation|
#aging#biological-age#dna-methylation
Alcohol-Free Reset Drops 61-Year-Old’s Biological Age to 39
health5 months ago

Alcohol-Free Reset Drops 61-Year-Old’s Biological Age to 39

A 61-year-old British cosmetics founder’s biological age registered as 39 after she quit alcohol; the article explains biological age reflects functional health, including sleep, inflammation, insulin sensitivity, and muscle strength. Through 30 days alcohol-free, plus regular strength training, short HIIT, post‑meal walks, a protein‑ and plant‑rich diet, hydration optimization, and consistent sleep, she reported better sleep, energy, and skin, illustrating that small, sustained lifestyle changes can slow the apparent aging process.

via Iowa Park Leader|
#aging#alcohol#biological-age
New Blood Biomarker Panel Maps How Fast You Age
science6 months ago

New Blood Biomarker Panel Maps How Fast You Age

Researchers from the University of Konstanz analyzed 362 blood parameters in 3,300 people aged 35–74 and used machine learning to distill two gender-specific panels of 10 biomarkers each that best predict biological age. The blood test estimates an individual’s bioage relative to chronological age and was validated in groups known to age faster or slower (Down syndrome, smokers, hormone-therapy users). Some biomarkers appear to drive aging while others simply indicate it, offering new health insights and potential use in evaluating anti-aging therapies and disease risk.

via ScienceAlert|
#aging#biological-age#biomarkers