Do marathons damage your heart? Decade-long study shows no long-term cardiac harm

by | Dec 30, 2025 | Health

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A marathon pushes the human body close to its limits. Legs tire, lungs burn and the heart works hard for hours on end. For years, that strain has raised an uncomfortable question: does running 26 miles actually damage the heart?

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Written by Albert Pham, News Curator and Blogger

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