41 studies
Research Library
Peer-reviewed papers from top journals, summarized and graded by evidence strength. Updated Mon, Wed & Fri.
Metformin's Anti-Aging Case: Strong Clues but Still No Proof
This review pulls together lab, population, and clinical trial evidence on metformin as a potential aging-slowing drug. At normal doses, metformin seems to flip several key aging switches: boosting cellular cleanup, calming inflammation, and improving energy production. Large population studies link metformin use to lower rates of age-related diseases, even in people without diabetes. However, the review honestly notes that metformin may actually worsen aging in older animals, so the picture is still mixed.
Why Your Skin Never Forgets Inflammation, Even Years Later
In mice, skin stem cells can hold lifelong "memories" of past inflammation like psoriasis flares. These memories are stored as epigenetic changes. Specific DNA sequences rich in CpG patterns keep the memory accessible through cell divisions. This means once skin has been inflamed, its stem cells stay primed to react faster and stronger to future triggers.
Anti-Inflammatory Foods May Lower Frailty Risk as You Age
Certain blood metabolites tied to fruits, vegetables, nuts, and legumes were linked to lower frailty risk in nearly 10,000 Canadian adults aged 45-85. The protective effect worked partly by reducing inflammation markers. On the flip side, a high omega-6 to omega-3 ratio and processed meat metabolites were tied to higher frailty risk through increased inflammation. The study tracked participants over three years, connecting dietary patterns to measurable metabolic changes.
How Excess Fructose May Damage Far More Than Just Your Liver
This review pulls together evidence showing fructose does more than add calories. It triggers a chain reaction: uric acid buildup, mitochondrial stress, and fat storage signals that affect the liver, kidneys, pancreas, gut, heart, lungs, and brain. The damage traces back to how fructose is processed differently than glucose, depleting cellular energy and driving inflammation. Animal and human studies both point to fructose overload as a metabolic disruptor across nearly every organ system.
How Mutant Blood Stem Cells May Quietly Fuel Heart Disease as You Age
As people age, blood stem cells accumulate mutations that cause certain cell lines to expand. This process, called clonal hematopoiesis, is now strongly linked to increased cardiovascular risk in older adults. The mutant blood cells appear to ramp up inflammation, accelerating atherosclerosis and heart failure. This review covers how these rogue clones interact with age-related inflammation and what future therapies might look like.
Frailty Markers Predict 20-Year Death Risk in Older Chinese Adults
In about 4,000 older Hong Kong adults tracked for nearly two decades, frailty measures strongly predicted who would die and from what cause. Being frail was linked to a 66% higher risk of death compared to being fit. Adding blood-based markers like inflammation and kidney function to frailty scores slightly improved predictions. One surprise: none of the biological aging markers predicted cancer deaths specifically.
Disclaimer: Research summaries are provided for informational purposes only and do not constitute medical advice. Always consult a qualified healthcare professional before making changes to your health routine.
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