Whenever 27-year-old Nathan Kerr stops by the office of his 81-year-old mentor Frank Booth, Kerr often finds Booth running on a treadmill.

While gym gear isn’t something that needs to be replaced regularly, it still has a shelf life. Here, experts weigh in on when to replace your equipment.

Intense fitness routines can be daunting, but simply going for a walk can significantly improve your health. Upping your daily steps will quickly make a difference and put you on the path to a longer ...