Research Library
Peer-reviewed papers from top journals, summarized and graded by evidence strength. Updated Mon, Wed & Fri.
5 papers added this week268 in the library
| Study | Evidence | Type | n | Journal | Date |
|---|---|---|---|---|---|
| Jul 27 – Aug 2, 20262 studies | |||||
| Metformin Added Nothing to Diet and Exercise for Older Adults' StrengthMetformin has a big fan club in longevity circles, but this trial puts a dent in the hype. | Strong | Journal Article | 114 | The lancet. Healthy longevity | |
| A 9-Year Mailed Exercise Program Barely Moved the Needle in Older WomenNearly 50,000 women aged 66 to 99 were randomly assigned to a long-running, remotely delivered program that encouraged more movement and… | Strong | Journal Article | 49,331 | The journals of gerontology. Series A, Biological sciences and medical sciences | |
Jul 27 – Aug 2, 2026
2 studiesDisclaimer: 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.
Common questions
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.
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