How the body really ages: 7 million cells mapped across 21 organs

ScienceDaily
Feb 28, 2026, 10:25 am121 ptsTrending
Scientists have built a massive cellular atlas showing how aging reshapes the body across 21 organs. Studying nearly 7 million cells, they found that aging starts earlier than expected and unfolds in a coordinated way throughout the body. About a quarter of cell types change in number over time, and many of…

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