It's a new year and what better time than now to get in tip-top shape? We all know that exercise can slim you down and tone you up, but did you know that you can also reap a bunch of beauty benefits from breaking a sweat? Think about it: Ever notice your skin looking brighter and flushed after a few minutes on the treadmill? That's because regular exercise can do everything from improve your posture, promote healthy hair, to even smooth skin. I did a little digging to help you discover how working out can affect your overall appearance. Check out the breakdown below!