Scientists discover a hidden reason why muscles weaken with age
Scientists found that aging muscles change to protect cells from damage, even if it means losing strength. They identified a molecule called cardiolipin that plays a key role in this process. Restoring some of this molecule in mice reversed muscle wasting and prevented early death.
Researchers discovered that aging muscles shift to more slow-twitch fibers as a protective measure, linked to a decline in a molecule called cardiolipin. Restoring this molecule in mice improved muscle health and survival.
This finding could lead to new treatments for age-related muscle loss, improving quality of life for older adults and reducing health risks linked to frailty.
The research highlights a natural protective process in the body and offers a hopeful path for addressing a common aging challenge, showing how science can support healthier aging.
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