· ScienceDaily Fitness · October 28, 2026

Scientists discover a hidden reason why muscles weaken with age

Scientists have uncovered a hidden defense mechanism in aging muscles that sacrifices strength to protect cells from damage. In mice, partially restoring a crucial molecule reversed signs of muscle wasting and prevented premature death, raising hopes for new treatments for age-related muscle decline.

Originally published by ScienceDaily Fitness. We curate and add context; they did the reporting.

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