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.

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