Randomized Trialhigh evidence
A self-selected vegan diet reduces skeletal muscle mass in healthy older adults: a randomized controlled trial.
The American journal of clinical nutrition·September 1, 2026·PMID 42680254
Why it mattersOlder adults adopting plant-based diets may unknowingly reduce protein intake, accelerating sarcopenia and functional decline. This trial quantifies muscle loss and shows resistance exercise partially offsets it, informing dietary counseling for aging patients.
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