Research Library
Peer-reviewed papers from top journals, summarized and graded by evidence strength. Updated Mon, Wed & Fri.
3 papers added this week323 in the library
| Study | Evidence | Type | n | Journal | Date |
|---|---|---|---|---|---|
| Jul 27 – Aug 2, 20263 studies | |||||
| Better Skin Through the Gut: The Evidence Is Still ThinPlant compounds called polyphenols, live bacteria sold as probiotics and omega-3 fats are often said to keep skin young from the inside. | Preliminary | Journal Article | — | International journal of molecular sciences | |
| Probiotic: Some Brain Patterns Linger Weeks After StoppingProbiotics are live bacteria taken as a supplement. | Preliminary | Journal Article | 32 | Communications medicine | |
| Oral Lichen Planus: Fewer Lesions After 16 Weeks of ProbioticsOral lichen planus is a long-lasting inflammation of the lining of the mouth. | Preliminary | Journal Article | 25 | International journal of molecular sciences | |
Jul 27 – Aug 2, 2026
3 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 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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