How to Increase Your Odds Of Surviving a Heart Attack

Reason #37,421 to exercise: Fit people who suffer a heart attack are less likely to die from the ailment than those who are out of shape, finds new research from Johns Hopkins University.

In the study, scientists analyzed the MET scores of people who performed a 15-minute treadmill stress test. MET—or metabolic equivalent of a task—is a measure of activity that takes into account both the length and intensity of your workout.