The healthy heart (left) is very supple, firm and poetic, according to Dr.
The unhealthy heart (right) is larger and paler. The lighter spot in
the middle indicates that this person had a heart attack. That scarred vessel
was unable to bring blood to the heart, and the damage can be seen on the
Once an artery is closed, it doesn't heal, which is a
devastating problem, Dr. Oz says. While medicine has gotten better at curing
heart attacks, damage is still done after a heart attack, creating an epidemic
of heart failure.