Is your heart older than you are?

BOSTON, Mass. (WPVI) -- Do you have the heart of a 20-year-old, or an 80-year-old?

A new online tool looks at different risk factors to predict someone's "heart age."

Then it is compared to their real age.

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CDC researchers, working in conjunction with cardiac experts at the Framingham Heart Study and Boston University, have created the easy-to-use