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Articles related to focusing on healthy aging, prevention, mobility, cognition, nutrition, independence, and caregiving support.

Oct 13, 2025

5 min

Which muscles does sarcopenia affect? A guide to age-related muscle loss

An estimated 10-20% of older adults are affected by sarcopenia, a progressive and generalized skeletal muscle disorder that involves accelerated muscle loss and decreased function. A common question is which muscles does sarcopenia affect and how this process impacts daily life. While it's a systemic condition, the effects are often most noticeable in specific muscle groups, particularly the fast-twitch fibers used for power and explosive movements.

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Oct 9, 2025

4 min

What overlooked organ holds the key to longer lifespans? Hint: It’s not your heart.

Recent studies suggest that exceptional longevity is linked to specific microbial signatures in the gut microbiome, with certain bacteria enriched in centenarians compared to frail individuals. But beyond the gut, another often-overlooked organ holds the key to longer lifespans: skeletal muscle. Previously viewed primarily for movement and strength, muscle is now recognized as a vital endocrine organ that communicates with the rest of the body to regulate health and slow aging.

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