How We Score
How we vet the research — transparency first
New hydrogel with stem cell vesicles reverses aging damage in bone healing
This animal study shows a promising new technology combining stem cell signals and a sticky healing gel can improve bone repair in aging models—but results are early-stage and haven't yet …
How We're Moving From Understanding Aging to Actually Treating It
This is a progress report from leading aging researchers showing the field has moved from 'aging is inevitable' to 'aging is a treatable biological process'—a major shift in philosophy and …
Eating Only During an 8-Hour Window Extended Male Mouse Lifespan by 12%
This mouse study suggests time-restricted eating (eating within an 8-hour window) can improve health and may extend lifespan in males, but the lack of peer review, replication, and female lifespan …
How Metformin May Slow Aging: Mechanisms and Evidence
Metformin shows real promise as an anti-aging drug based on how it works and population-level health data, but we don't yet have the rigorous human trials needed to be sure …
Fixing worn telomeres restores heart function in heart failure
Researchers showed that sealing damaged chromosome caps in mouse hearts reverses heart failure through a specific molecular pathway. This is promising proof-of-concept, but replication and safety testing in humans would …
Why longevity treatments work differently for men and women
This paper identifies an important gap: anti-aging treatments affect men and women differently, but we don't fully understand why. Future research should explicitly test sex differences to develop better personalized …
Why Astronauts Are the Perfect Model for Understanding Aging
This is an intriguing idea that spaceflight research could help us understand and slow aging, but it's a proposal for future work, not proven science. Treat it as a conversation-starter …
How Adrenaline-Like Signals in the Gut Could Slow Aging in Fruit Flies
Fruit fly studies suggest that carefully boosting adrenaline-like signals in the gut—not systemically—can extend life. This is a promising lead for drug development, but it's very early and human applicability …
Does Body Fat Speed Up Aging? Testing Epigenetic Clocks in Young Filipinos
This early-stage study suggests body fat and accelerated cellular aging are linked in young Filipinos using a new combined measurement approach—but it's not yet published and needs independent confirmation before …
How Calorie Restriction Quiets Immune Attacks on Aging Pancreas Cells
This early-stage research suggests pancreas inflammation in aging drives diabetes, and calorie restriction can quiet it in mice. However, it's unpublished and hasn't been tested in humans yet—promising but preliminary.
How cells switch off a protective protein under low oxygen to extend life
This is solid fundamental research showing that cells have a previously unknown molecular 'switch' that turns off protective proteins when oxygen is low, enabling stress adaptation. While promising for understanding …
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 …