William Cornwell, University of Colorado Anschutz Medical Campus
People who regularly engage in significant amounts of exercise, as endurance athletes do, may develop enlarged hearts. While athletic heart is adapted for performance, it can be cause for concern.
While the figure of 10,000 steps a day has become a popular benchmark, new research finds we might not need to take quite so many strides to cut our chances of an early death.
Trying a new exercise routine? Strapping on a new wearable monitor? An expert in human physiology explains the ins and outs of your heart rate and why it’s a valuable number to understand.