Do you want to feel better? And move better, too? Of course you do – everyone does. It's one of the biggest motivators for getting fit after 50 or staying…

Sheri knew something was wrong. She'd always been active, particularly enjoying daily walks. But lately her balance and posture were off. Her knees jerked. Her hands trembled. So, when her…

Dan King, 65, lives by the "use it or lose it" mantra. "If you're not pushing yourself physically, you're signaling your body to decay faster, to degrade faster, and I…