MADISON, Wisconsin, Jan. 14 -- The University of Wisconsin School of Medicine and Public Health issued the following Q&A on Jan. 13, 2026, by Mary Ellen Gabriel with Christopher Sundberg, assistant professor of medicine:

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Exploring the role of muscles in the aging process

What determines healthspan, the term used to describe the number of years people live in good health and free from chronic disease? Muscle physiology plays a key role.