Study Reveals Your Organs May Be Aging at Very Different Speeds A study using AI-based tissue clocks reveals that human organs age on different timelines, and these patterns can be detected from blood. The research indicates that the chronological age from birth certificates does not fully reflect the biological aging of individual organs such as the lungs, kidneys, pancreas, and brain. AI-based tissue clocks reveal that human organs age on different timelines and that some of these patterns can be detected from blood. The age printed on a birth certificate tells only part of the story. Inside the body, the lungs, kidneys, pancreas, brain, and other organs may be aging along very different timelines, and artificial ...