Can a blood test predict when I will die?

While certain blood protein patterns can indicate a higher risk of mortality, they are not definitive predictions of when someone will die. They serve as potential early warnings.

What is the UK Biobank study?

The UK Biobank is a national health resource collecting biological samples and health data from half a million UK volunteers for long-term health research.

How can blood proteins predict future health?

Blood proteins provide real-time snapshots of internal bodily processes, reflecting chronic changes like inflammation or subtle organ stress that may indicate future health risks.

Home / Health / Blood Test Predicts Future Death Risk

Blood Test Predicts Future Death Risk

17 Dec, 2025

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Summary

Blood proteins may signal future mortality risk beyond current health.
A study analyzed thousands of proteins in UK Biobank participants.
Protein panels showed modest improvement in predicting lifespan.

Scientists are exploring the potential of a simple blood test to predict future health and mortality risks. Recent research, utilizing data from over 38,000 UK Biobank participants, measured thousands of blood proteins to identify patterns associated with increased mortality.

The study identified hundreds of proteins correlating with the risk of dying from any cause, as well as specific diseases like cancer and cardiovascular disease. Researchers isolated protein panels that demonstrated an improved ability to forecast mortality risk compared to traditional demographic and lifestyle factors.

While the predictive power is currently modest and the findings represent associations rather than causation, this research points to a future where blood tests could offer early alerts for potential health decline, enabling proactive medical interventions and more precise healthcare targeting.

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