Research Library
Peer-reviewed papers from top journals, summarized and graded by evidence strength. Updated Mon, Wed & Fri.
3 papers added this week283 in the library
| Study | Evidence | Type | n | Journal | Date |
|---|---|---|---|---|---|
| May 18–24, 20262 studies | |||||
| Low Vitamin D Linked to Faster Artery Aging in Younger AdultsIn over 2,000 young and middle-aged adults in China, higher vitamin D levels were linked to a lower chance of early vascular aging (stiffer… | Moderate | Journal Article | 2,047 | PloS one | |
| Most Older and Darker-Skinned Adults in Northern Britain Are Low on Vitamin D, Even in SummerResearchers screened older adults and people with darker skin tones in northern Britain for vitamin D levels across the year. | Moderate | Journal Article | 299 | European journal of clinical nutrition | |
May 18–24, 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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