Research Library
Peer-reviewed papers from top journals, summarized and graded by evidence strength. Updated Mon, Wed & Fri.
3 papers added this week331 in the library
| Study | Evidence | Type | n | Journal | Date |
|---|---|---|---|---|---|
| Jul 27 – Aug 2, 20261 study | |||||
| Metformin Adds Nothing to Diet and Exercise in Older AdultsOlder adults with obesity are more likely to lose physical ability as they age. | Moderate | Journal Article | 114 | The lancet. Healthy longevity | |
| Jul 20–26, 20261 study | |||||
| Smoking Outweighed Genes for a Long LifeSome people carry an inherited tendency toward a longer life. | Moderate | Journal Article | 5,575 | GeroScience | |
Jul 27 – Aug 2, 2026
1 studyDisclaimer: 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 Cities 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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