Savannah, Hoda and Craig try the 4-flight stair challenge

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If you can climb four flights of stairs at a fast pace in under a minute without having to stop, you’re less likely to die prematurely of heart disease, cancer or other health-related causes, one study suggests. TODAY’s Savannah Guthrie, Hoda Kotb and Craig Melvin took to the stairs to try it, while Dr. Oz stops by to talk about the science behind the study.