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…
Combining Wearables With Blood Proteins Sharpens Biological Age Tests
Researchers built a new biological age model that combines blood protein data with wearable device readings.
May 3–9, 2026
2 studiesNew Aging Clocks Reveal Blood Clotting Factors May Drive Organ Decline
Researchers built a multi-layered aging clock using clinical, physiological, and molecular data from over 2,000 Chinese adults.
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…
Apr 26 – May 2, 2026
2 studiesThree Ways to Measure Biological Age All Predict Heart Disease
In over 320,000 UK adults followed for nearly 14 years, accelerated biological aging predicted heart trouble across the board.
When Your Body Ages Faster Than Your Birthday, Your Heart Pays the Price
In over 31,000 UK adults, those whose biological age outpaced their actual age had clearly worse heart outcomes.
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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