New Health Frontiers offers lab-grade fitness data that shows how efficiently your body uses oxygen and outlines practical ...

This is how quickly you should be able to climb four flights of stairs. "The stairs test is an easy way to check your heart health," said study author Jesús Peteiro , MD, a cardiologist at ...

The Metropolitan Square Building in downtown St. Louis stands at 593 feet tall. John Wilmas is taking the skyscraper's stairs to make a difference, step by step.