Research Digest
Research Library
Peer-reviewed papers from top journals, summarized and graded by evidence strength. Updated Mon, Wed & Fri.
May 10–16, 2026
2 studiesBlood NAD+ Levels Stay Flat With Age, Challenging Popular Aging Theory
One of the most repeated ideas in longevity is that NAD+ declines as we age, a story that helped make NR and NMN household names in the…
Just 5,700 Daily Steps Cut Death Risk By 13% In Older Adults
Looking at dozens of studies with over 367,000 older adults, regular walking was tied to lower risk of death, disease, and cognitive…
May 3–9, 2026
2 studiesLong-Lived Genes May Give Grandkids a Healthier Start in Life
Grandchildren of Danish families known for exceptional longevity had about half the risk of dying in infancy compared to the general…
Exercise Linked to Younger Biological Age, But Effect Is Modest
Pulling together 44 studies on nearly 145,000 people, researchers found that more physical activity is tied to a younger biological age…
Mar 29 – Apr 4, 2026
2 studiesMetformin's Anti-Aging Case: Strong Clues but Still No Proof
This review pulls together lab, population, and clinical trial evidence on metformin as a potential aging-slowing drug.
Longevity Protein Klotho May Protect Against Cognitive Decline in Parkinson's
People with Parkinson's disease who carry a specific variant of the klotho gene tended to perform better on executive thinking tasks across…
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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