Researchers tested 287 Japanese adults to see which of 52 lifestyle factors (diet, exercise, sleep, stress habits) correlated with six different epigenetic aging clocks. They found that smoking, high-intensity exercise, and sauna use showed the …
Researchers found that partial cellular reprogramming in aging mice reverses age-related chemical changes (DNA methylation patterns) specifically on genes controlled by a protein complex called PRC2. This suggests PRC2 may be a central hub controlling …
Researchers discovered that HMGB1, a protein released by aging cells, can trigger aging in healthy cells when it's in a specific damaged form—but not when it's oxidized. Blocking this protein in mice reduced aging markers …
Researchers used mass spectrometry to measure 2,295 people's metabolites (small molecules in blood) and built a 'metabolomic clock' that accurately predicts chronological age and tracks biological aging. People whose metabolomic age exceeded their actual age …
This landmark review identifies nine interconnected biological processes—from DNA damage to stem cell failure—that drive aging across species. Rather than discovering new biology, it synthesizes existing knowledge into a unifying framework to guide future drug …
Using genetic data from large population studies, researchers identified five genes involved in cellular senescence (aging) that appear to causally influence rheumatoid arthritis risk, with BCL2L1 and RAF1 showing the strongest associations. This computational study …
This concept paper proposes a new approach to treating Alzheimer's, Parkinson's, and ALS by directly increasing production of OGT—an enzyme that regulates thousands of proteins—rather than using existing indirect methods. The authors suggest using antisense …
This review reveals that Sertoli cells—the support cells in testes—age faster and suffer more genetic disruption than the germ cells they nurture, accumulating damage from oxidative stress, mitochondrial dysfunction, and epigenetic changes. Understanding how these …
Researchers discovered that while different causes of muscle wasting (cancer, steroid use, and aging) trigger mostly distinct molecular changes, they all share one common signature: reduced chemical modification of a protein called Lrpprc. Restoring this …
This review examines FOXO transcription factors—evolutionary conserved proteins linked to lifespan extension in animals and associated with human longevity via genetic studies. The authors argue that FOXO's role in cellular resilience against stress explains its …
This paper proposes that tongue pressure—how forcefully someone can press their tongue against the roof of their mouth—may be a useful marker of overall frailty and longevity in older people. The authors argue measuring tongue …
Researchers found that asthma patients have abnormally high levels of aged CD4+ T cells (immune cells), driven by type 2 inflammation. When transplanted into asthmatic mice, these aged immune cells worsened inflammation, suggesting that blocking …
This review argues that strategic vaccination in older adults can combat age-related immune decline (immunosenescence) and reduce serious infections, hospitalizations, and death. The authors propose 'immunofitness' as a practical goal of healthy aging, supported by …
Researchers compared nail structure and zinc content in 64 older adults with and without visible nail changes, finding no significant difference in zinc levels between the two groups. The study suggests nail aging is more …
This review examines new tools called single-cell aging clocks that measure biological age in individual cells rather than averaging across thousands of cells at once. These tools reveal that aging varies dramatically between cell types …