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    New AI model can estimate a person’s true biological age from five drops of blood

    March 18, 2025, Categories  Physics, Technology/Electronics

    Top Left: A small blood sample is analyzed to measure 22 key steroids, and the data is fed into an AI system to calculate biological age. Top Right: The AI-predicted biological age (BA) shows a general correlation with chronological age (CA), but individual differences widen over time. Bottom: Using the metaphor of a “river widening as it flows downstream,” the illustration visualizes how biological age evolves with the passage of time. Credit: Zi Wang

    We all know someone who seems to defy aging—people who look younger than their peers despite being the same age. What’s their secret? Scientists at Osaka University (Japan) may have found a way to quantify this difference...

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