Researchers at Stanford Medicine have developed a revolutionary blood test that measures biological aging across multiple organ systems with unprecedented precision. The OrganAge test analyzes nearly 5,000 protein biomarkers in blood samples to create individualized aging profiles for the heart, brain, liver, kidneys, lungs, immune system, and five additional organs.
The study, published in Nature Medicine and based on data from over 45,000 participants tracked for up to 15 years, demonstrates that accelerated aging in specific organs strongly correlates with future disease risk. By identifying individuals with rapidly aging organ systems, clinicians may intervene years before symptoms emerge, potentially transforming preventive medicine. This approach represents a significant departure from traditional chronological age measurements, which poorly predict actual health outcomes. The findings suggest that personalized biological aging profiles could enable targeted prevention strategies tailored to individual organ system vulnerabilities.
Read the full article on GMJ Newsroom.
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