What is the Longevity Research Library?

The Longevity Germany Research Library curates recent peer-reviewed studies on longevity, nutrition, exercise, sleep, and supplements. Each study is rated by evidence strength: Strong, Moderate, or Preliminary.

How are evidence levels determined?

Evidence levels are based on study type (meta-analysis, RCT, cohort study), sample size, journal impact factor, and reproducibility of findings.

62 studies

Research Library

Peer-reviewed papers from top journals, summarized and graded by evidence strength. Updated Mon, Wed & Fri.

9/62

Last week

Three Ways to Measure Biological Age All Predict Heart Disease

In over 320,000 UK adults followed for nearly 14 years, accelerated biological aging predicted heart trouble across the board. Depending on which aging clock was used, faster aging raised heart failure risk by 26% to 52% per standard deviation. Adding these biological age scores to standard risk models improved prediction of who would develop heart disease.

Heart & lung : the journal of critical care·Strong·Apr 28, 2026

Apr 12–18, 2026

Your Blood Is Both a Mirror and a Driver of How Fast You Age

Scientists are finding that the stuff floating in your blood, proteins, metabolites, and tiny vesicles, doesn't just reflect your age. It actively sets the pace of aging across organs. In animal studies, swapping old blood for young blood or filtering out pro-aging factors restored tissue function and even extended lifespan. Human trials using plasma exchange are now showing early promise for age-related decline.

Experimental & molecular medicine·Moderate·Apr 16, 2026

Apr 5–11, 2026

Faster Biological Aging Linked to Worsening Brain Small Vessel Disease

People who age faster biologically (based on blood biomarkers) appear more likely to develop worsening brain small vessel disease. In roughly 3,000 middle-aged adults followed for about five years, those with higher biological age scores had more new tiny brain lesions like lacunes and microbleeds. This held true even after accounting for actual calendar age. The finding suggests that biological aging clocks could help flag people at risk for this common precursor to dementia and stroke.

Neurology·Moderate·Apr 9, 2026

Mar 22–28, 2026

Lab-on-a-Chip Mimics Decades of Human Aging in Just 4 Days

Researchers built a tiny organ-on-a-chip using human stem cells to model how fat tissue and the liver age together. By exposing it to blood serum from older people, the chip reproduced decades' worth of aging hallmarks in just 4 days. These included DNA damage and gene expression shifts seen in actual aged tissues. The system also revealed sex-based differences in aging and how fat aging spills over to affect the liver.

Nature biomedical engineering·Preliminary·Mar 24, 2026

Mar 15–21, 2026

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.

npj aging·Moderate·Mar 22, 2026

Mar 8–14, 2026

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.

Acta pharmacologica Sinica·Moderate·Mar 15, 2026

Blood Proteins May Reveal Two Critical Windows for Frailty Around Ages 50 and 63

A study of over 50,000 UK Biobank participants found 1,339 blood proteins linked to frailty. Researchers built a "proteomic frailty score" that predicted risk for 199 diseases and responded to 84 modifiable risk factors. The most striking finding: frailty-related protein changes showed two distinct peaks, around ages 50 and 63. These windows could represent key moments when biological aging accelerates.

Cell metabolism·Moderate·Mar 15, 2026

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.

The journals of gerontology. Series A, Biological sciences and medical sciences·Strong·Mar 12, 2026

Mar 1–7, 2026

Red Blood Cell Proteins Can Track Biological Aging and Predict Health a Decade Later

Researchers built a protein-based aging clock from the red blood cells of over 13,000 blood donors. People with conditions like G6PD deficiency and sickle cell trait showed accelerated molecular aging. Iron supplementation appeared to reverse some of that acceleration. The molecular age scores predicted real-world outcomes like hemolysis and donor activity over a 12-year follow-up.

bioRxiv : the preprint server for biology·Preliminary·Mar 7, 2026

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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