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Scientists get a step closer to strengthening muscles without exercise

The molecule boosted muscle size, function and fatigue resistance in mice and was linked to aerobic fitness in humans, researchers said.

Summary by Newsweek
One of the study's researchers told Newsweek the exercise molecule could one day help people unable to stay active.

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Newsweek broke the news in New York, United States on Tuesday, August 18, 2026.
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