How We Score
How we vet the research — transparency first
Combining Skin Treatments Inside and Out to Slow Aging
This paper makes an intellectually appealing case for combining skin treatments inside and out, but it's a literature survey, not a proof. The individual ingredients may help with aging, but …
Can the smell of toasted bread slow aging? C. elegans study suggests yes
A worm study found that smelling roasted-food aromas activated anti-aging genes and extended lifespan—intriguing for neurobiology, but don't expect this to explain human longevity until someone tests it in mammals …
How cells sort out faulty mitochondrial DNA to stay healthy and live longer
This paper explains an elegant cellular system for removing bad mitochondrial DNA copies, linking this mechanism to aging and disease. It's a thought-provoking synthesis, but doesn't yet provide proof that …
Cutting dietary valine extends male mouse lifespan by 23%
This mouse study suggests restricting one dietary amino acid (valine) might slow aging, but it's preliminary work that hasn't been peer-reviewed yet. Even if confirmed, we don't know if the …
Five new plant alkaloids extend lifespan in worms by up to 9%
This paper identifies five new plant chemicals that extended worm lifespan, which is scientifically interesting but very preliminary—similar findings in worms almost never translate to humans, so don't expect these …
Why a Specific Gene Receptor Controls Aging in Mice
This study shows a specific gene (FXR) is crucial for normal aging in mice, suggesting it could be a target for anti-aging drugs. However, this is early-stage research in animals; …
Can a Heart Ultrasound Tell Your True Age?
This is an intriguing first step suggesting ultrasound plus AI could help identify who's aging faster in their heart and arteries. But it's not yet proven to predict future disease—we …
Two Repurposed Drugs Trigger Cellular Stress Responses That Extend Lifespan in Worms
This is a promising screening discovery suggesting two existing drugs might activate cellular defense pathways linked to aging. However, it's a first report in worms that needs independent replication and …
A Protein Called ATG-18 Extends Lifespan Without Needing Its Usual Autophagy Role
This is a solid mechanistic discovery in worms showing that a famous aging protein works differently than scientists thought—but we need follow-up studies in mammals to know if it matters …
How Intermittent Fasting Protects Brain DNA Through Metabolic Signaling
This mechanistic study in mice provides compelling evidence that intermittent fasting activates durable DNA repair and antioxidant programs in the brain through a metabolic-epigenetic pathway. However, it's a foundational animal …
How Jellyfish Sense Stress and Trigger Regeneration: A Protein Map
This paper uses advanced protein-mapping technology to describe how an immortal jellyfish switches from dormancy to regeneration, pinpointing three molecular 'hubs' that might control this decision. It's a solid first …
How IGF-1 Triggers Cellular Aging: A New Model for Targeted Rejuvenation
This review presents a clever new idea about how IGF-1 timing—not just amount—might drive aging, but it's a hypothesis, not proven fact. Until human trials test it, treat it as …
Why Healthspan Matters More Than Just Living Longer
This editorial makes a conceptual argument—not a research discovery—that longevity researchers have been asking the wrong primary question. Instead of just 'how long can we live?', we should ask 'how …
HIV Drug Shows Promise for Slowing Biological Aging in Healthy Adults
An intriguing early-stage finding suggesting an existing HIV drug might slow biological aging markers in healthy people, but it's far too preliminary to act on—the study is small, uncontrolled, and …
How mTOR inside neurons drives aging of touch-sensing cells in worms
This worm study shows that mTOR inside neurons contributes to age-related structural damage (excessive branching), but doesn't change how long worms live. It's an important clue for understanding where mTOR …
HIV Speeds Up Aging at the Protein Level, But Treatment Reverses It
This well-designed study provides the strongest evidence yet that untreated HIV genuinely accelerates biological aging at the protein level, and that antiretroviral therapy reverses it—but wait for peer-reviewed publication and …
A Bile Acid Supplement in Mom's Diet May Extend Her Offspring's Lifespan in Fruit Flies
Maternal bile acid supplementation in fruit flies produced robust lifespan extension in offspring via a specific metabolic gene—an intriguing proof-of-concept with real mechanistic insight, but it's early-stage, needs replication, and …
DunedinPACE epigenetic clock best predicts cognitive decline in older adults
This early-stage study identifies DunedinPACE as a promising DNA-based marker for cognitive aging, but the findings are preliminary and need validation by other researchers before using the test to predict …
A blood test for cellular aging predicts disease and mortality risk
This is promising early-stage research suggesting a blood test could measure cellular aging and predict serious disease—but it's not yet peer-reviewed and needs independent confirmation before relying on it clinically. …
Can senolytic drugs prevent bone loss in aging and gum disease?
Senolytic drugs show promise for age-related bone loss in mice, but don't work for bone loss driven by active infection and inflammation. This suggests that clearing senescent cells alone won't …