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Can young blood reverse aging? 🩸🧬 In a recent breakthrough, researchers combined plasma serum and bone marrow from young donors to treat aging human skin cells in the lab. The treatment significantly boosted collagen production, improved cell survival, and reversed multiple hallmarks of cellular aging. This marks the first time these results have been seen in human tissue models. By studying the molecules behind these effects, scientists hope to develop future treatments that slow or even reve