How We Score
How we vet the research — transparency first
How a Damaged Protein Spreads Aging Signals Through Your Body
A damaged form of HMGB1 protein appears to spread aging signals throughout the body, and blocking it reduced aging markers and improved healing in mice—but this finding is very new …
How Partial Reprogramming Reverses Aging Marks on Key Genes
This is credible, technically sophisticated work showing that partial reprogramming reverses age-related epigenetic changes, particularly on genes controlled by PRC2. However, it's an early mechanistic finding in mice that needs …
How Japanese Lifestyle Habits Shape Biological Aging Markers
This carefully conducted study suggests lifestyle habits like smoking, exercise, and sauna use associate with epigenetic aging markers in Japanese adults—but it's early-stage evidence that hasn't been peer-reviewed yet. Don't …
Blood Protein Signatures of Cell Aging Predict Health and Disease Risk
This promising early-stage research suggests blood tests measuring senescence in specific cell types could become better predictors of aging and disease than current methods—but the findings need peer review and …
Four blood proteins linked to longevity and healthy aging across generations
This preliminary study identifies four blood proteins that appear to predict healthy aging and longevity, but it's too early to act on these findings. Wait for peer review and independent …
How Hedgehog Signaling Might Combat Aging Across Multiple Organs
This review identifies Hedgehog signaling as a promising target for slowing aging in multiple organs based on preclinical evidence, but significant safety and specificity hurdles must be cleared before any …
Rewinding the Brain's Age: Gene Therapy Restores Memory in Aging Mice
This elegant study shows that reprogramming memory-storing neurons in aging mice's brains can restore their learning and memory to young-animal levels—a conceptual breakthrough for regenerative neuroscience. However, it's animal research …
How immune signaling molecules drive aging: CXC chemokines and cellular senescence explained
CXC chemokines are promising targets for anti-aging therapy based on their known role in cellular senescence and inflammation, but this review summarizes existing knowledge rather than presenting new evidence. Until …
How tissue scaffolds reprogram immune cells through tiny vesicles
This is promising early-stage research showing that tiny particles in biological scaffolds can reprogram immune cells at the genetic level—but it's in cells in a dish, not yet proven in …
Rethinking What Aging Trajectory Tests Actually Measure
This is thoughtful methodological criticism suggesting that how scientists currently interpret aging trajectory tests may miss important confounding factors like education and lifetime skills. It's worth considering when reading aging …
Wild Mediterranean mice show superior lysosome function—a clue for aging research
Wild Mediterranean mice's cells show signs of better cellular maintenance than lab mice, suggesting nature may offer clues for aging therapies—but this is early-stage hypothesis generation requiring replication and mechanistic …
Why Agency and Meaning Matter More Than Health Metrics in Old Age
This is a thoughtful philosophical argument—not a scientific study—that reminds us aging is about more than preventing disease; it's about preserving meaning, autonomy, and relationships. Important for reframing how society …
Why malnutrition in older adults matters—and how to prevent it
Malnutrition is a common, serious, but preventable problem in older adults that deserves more attention from healthcare providers and policymakers. While this article doesn't present new discoveries, it makes a …
How a 30+ Year Old Fish Reveals Secrets About Invasive Species Survival
This is solid fish biology that will help predict invasive carp spread, but it has no bearing on human aging or longevity science. It shows fish can live 30+ years …
Brain glutamate elevation in hospitalized older adults with delirium
This early-stage study suggests delirium in hospitalized older adults may involve harmful elevations of a brain chemical (glutamate) that could damage neurons, a finding worth following up but currently too …
How Hormonal Imbalances Drive the Combination of Obesity and Muscle Loss
This review makes a compelling mechanistic case that sarcopenic obesity stems from age-related hormonal imbalance, not just overeating. While the ideas are sound and the endocrine framework is useful, the …
New anti-cancer compounds show promise in mouse models of liver cancer
This is early-stage laboratory chemistry: researchers created a promising new anti-cancer compound that worked in mouse models, but it is years away from human testing and has not yet been …
Can Two Plant Compounds Together Slow Brain Aging in Rats?
This rat study suggests that combining squalene and saponin may reduce aging-related brain damage better than either alone—an interesting finding worth pursuing. However, it's very early-stage work in an artificial …
Single-Cell Aging Clocks: Measuring Age at the Cellular Level
This is a well-timed overview of an emerging technology that could make biological age testing much more precise by measuring age in individual cells rather than averaged tissue samples. It's …
Do nail changes in older adults signal low zinc levels?
Visible nail changes in older age do not appear to be caused by zinc deficiency alone. If your nails change as you age, it's not simply a sign you need …