🔬 Science Oct 15, 2026 · University of Copenhagen

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Restoring just part of a depleted mitochondrial fat began reversing muscle wasting in mice, suggesting a possible route toward treating age-related muscle decline. As muscles weaken with age, they shift toward fibers built for endurance rather than quick, powerful bursts of movement. These slow-twitch fibers contain more mitochondria, the structures that supply cells with energy, [...]

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