Doctors in Kentucky are working on a medical breakthrough that could save millions of lives. It's the first heart made from a person's own extra fat from around the stomach.

Dr. Stuart Williams of the Cardiovascular Innovation Institute explains, Fifty cc's of fat is two golf ball size pieces of fat, and there are enough cells in that fat to rebuild basically all of the major blood vessels in the heart.

From the time the fat tissue is harvested, doctors hope to build a completely new heart in just seven days. It's done piece-by-piece.

The goal now is to perfect the new heart treatment in the next 10 years, and to make technology like the artificial heart obsolete.

Clinical trials are already underway.

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