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Scientists in Japan developed an AI blood test to measure biological age, analysing 22 steroids, including cortisol, to assess organ health and stress effects.
AI blood test measures biological age by analysing 22 steroids.
Scientists in Japan have developed a groundbreaking blood test that could provide a more accurate measure of a person’s biological age, potentially offering early warnings about health issues and the effects of stress. Researchers at Osaka University have created an artificial intelligence (AI)-based model that determines biological age through a simple blood sample, marking a significant shift from traditional DNA testing.
Biological age reflects the health and condition of the body’s organs rather than the number of years a person has lived. A person might be chronologically older but biologically younger if their vital organs, such as the heart, lungs, liver, and kidneys remain in good health. Until now, DNA tests have been used to assess the health of cells and estimate biological age. However, the new AI-driven blood test promises a more direct and detailed analysis of how well the body is aging at a cellular level.
According to a report published in News Medical Life Sciences, the test involves analysing just five drops of blood. Using AI, scientists examine 22 key steroids and their interactions within the body. These steroids, which include hormones related to metabolism, immunity, and stress, play a crucial role in determining the body’s overall health. The AI model, based on a deep neural network (DNN), maps out the pathway of steroid metabolism and identifies how different steroid molecules interact with cells.
Stress has emerged as a key factor in accelerating biological aging. One of the steroids analysed is cortisol, a hormone released in response to stress. Researchers found that when cortisol levels double, biological age increases by approximately 1.5 times. Prolonged stress can weaken internal organs, leading to an increase in biological age even if a person remains young chronologically.
The ability to measure biological age through this test could have significant health implications. Early detection of biological aging may allow for targetted interventions to improve overall health and delay the onset of age-related diseases. If the test reveals that certain organs are weakening, doctors could recommend lifestyle changes, medications, or therapies to counteract the damage before symptoms appear.
This breakthrough could open the door to more personalised healthcare, where treatments are tailored to a person’s biological age rather than their chronological age. By understanding how stress and other factors are affecting the body at a molecular level, individuals may have a better chance of maintaining their health and slowing down the aging process.
