Nature Biotechnology reports that protein-based aging clocks are now being tested in human trials, marking a major step toward validating these tools for measuring biological age in clinical settings.

New mouse research shows distinct patterns of three-dimensional chromosome organization between healthy brain aging and neurodegenerative disease models, suggesting novel therapeutic targets.

A comprehensive review reveals how older parents may pass on accelerated biological aging and increased neurodegenerative disease susceptibility to their children through multiple mechanisms.

A naturally occurring bile acid, hyodeoxycholic acid, reversed postmenopausal osteoporosis in mice by triggering mitophagy to clear senescent bone marrow stem cells and prevent their inappropriate transformation into fat cells.

Growth differentiation factor 15 (GDF15) induces weight loss with unexpected diet- and age-dependent metabolic effects across tissues, suggesting therapeutic applications may be more complex than previously thought.

New research reveals oxidative DNA damage specifically targets centromeres—chromosome regions critical for cell division—driving fragility and instability that accumulates with age and contributes to cancer and cellular dysfunction.

Review in GeroScience outlines the mechanistic connections between mitochondrial dysfunction, bioenergetic collapse, and the inflammatory senescent state that drives multiple age-related diseases.

Physical contraction of lymph nodes during middle age impairs CD8+ T cell priming differently in males and females, compromising the ability to recognize new threats.

Single-cell analysis of thousands across multiple countries identifies a specific immune cell ratio—GZMK+ to GZMB+ memory T cells—that correlates with individual health outcomes during aging.

Analysis across species reveals aging consistently disrupts integrative genome activity controlling development and stress response while basic cellular housekeeping functions remain remarkably preserved.

Large dogs age faster than small ones at the molecular level, with epigenetic clocks and transposable element activation explaining why a Great Dane lives half as long as a Chihuahua.

Phosphodiesterase 4 inhibitors, already FDA-approved for COPD and other conditions, extended C. elegans lifespan and rejuvenated senescent mouse cells in laboratory studies.

Specialized pro-resolving lipid mediator Resolvin E1 accelerates inflammation resolution and enhances muscle stem cell responses during skeletal muscle repair in aged animals.

Review in Ageing Research Reviews examines mechanisms linking COVID-19 infection to accelerated biological aging and premature cardiovascular events in younger and middle-aged survivors.

A provocative GeroScience perspective argues against the common refrain that we should extend healthy years without extending maximum lifespan, calling it scientifically and ethically problematic.

Large-scale brain imaging reveals accelerated biological brain aging is a shared feature across psychiatric conditions, suggesting common neurobiological pathways.

Comprehensive molecular tracking over time reveals individual patterns of aging across thousands of biological markers, suggesting personalized interventions may be needed.

A conserved molecular signature—longer fatty acid chains in cell membranes—appears to mark biological aging and may mechanistically contribute to lifespan limits.

Analysis of over 200,000 East Asians finds those with faster biological aging face significantly higher risk of colorectal cancer before age 50, adding to concerns about rising early-onset cases.

New research in Nature Aging shows that chaperone-mediated autophagy (CMA) declines with age, impairing macrophages' ability to clear senescent cells—suggesting a feedback loop that accelerates aging.