Tighten your core after 50 with 5 walking sequences: incline, arm-drive, intervals, posture walking, and high-knee bursts.

There is an undeniable connection between a strong immune system and nutrition. Learn why what you eat matters and other ways to boost your immune system.

Building muscle has huge health benefits, but working out takes time. So what's the least amount of time you can spend at the gym and still see the benefits? Research shows it's less than you'd think.