Add Yahoo as a preferred source to see more of our stories on Google. A fitness challenge can keep exercise exciting so you avoid a dreaded January plateau. (Getty Images) (mapodile via Getty Images) ...

Your birthday can’t tell you this—but your body can. As we age, our bodies conduct every action a bit slower: our daily walks become shorter, our endurance goes down, and our brains aren’t as sharp as ...

As we age, our bodies conduct every action a bit slower: our daily walks become shorter, our endurance goes down, and our brains aren’t as sharp as they once were. It’s a shared experience among most ...

Once the novelty of all those New Year's resolutions wears off, the motivation to go to the gym can start to wane. The alarm gets snoozed, sessions are missed, and your resolve to lose a few pounds ...