Periodontitis Linked to Muscle Loss Through Elevated Activin A Levels, Study Finds

A new study has identified a connection between periodontitis, a chronic gum disease, and the loss of skeletal muscle mass, known as muscle atrophy. Researchers discovered that increased levels of activin A in the bloodstream act as the key factor linking the two conditions.

The research, led by Shim, Suh, and Kim, and published in Nature Communications, demonstrates that periodontitis, characterized by inflammation of the gums, can trigger a systemic response that affects muscle tissue. The study pinpoints activin A, a circulating protein, as the mediator in this process, suggesting that elevated levels of this protein, induced by periodontitis, contribute to the breakdown of muscle mass. This finding establishes a mechanistic relationship between oral health and overall muscle function.

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Date: May 6, 2026

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GOAI