Stem cell therapies are moving from laboratory promise to clinical reality, with patients walking after paralysis and damaged organs regenerating. Yet regulatory caution, manufacturing challenges, and inconsistent results mean the revolution will arrive gradually, transforming not just medicine but how humanity thinks about aging and human limitation.
Scientists are pioneering mitochondrial transplants that replace damaged cellular powerhouses with healthy ones, showing promise for treating Parkinson's, heart failure, stroke, and aging itself—with first clinical trials launching now.
Extracellular vesicles are nano-sized cellular messengers that can both spread cancer and heal tissue. Research is turning these biological couriers into diagnostic tools and therapeutic delivery systems.
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