According to an insider report from Technology Review, ARPA-H is supposedly launching a program focused on replacing aging brain cells with younger ones, with Jean M. Hébert named as the project lead. Hébert is known for his radical approach to combating aging by replacing all body cells, including brain cells, with new ones derived from stem cells. While the technique shows promise in treating strokes, injuries, and neurodegeneration, integrating new neurons into existing brain circuits remains a significant challenge, especially regarding memory and cognitive function.

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