Let’s not forget your heart is a muscle you need to train. The best gym machine to do so? The treadmill. Walking, jogging, ...

Drop by just about any gym in America, and you're likely to see a steady parade of dudes walking right past the best cardio ...

It also helps improve your posture, which can reduce back and neck pain, especially if you spend a lot of time sitting.

For the almost 520,000 Americans who will undergo treatment this year, the process leaves little room for a full life. An innovative new device could change everything.