Let's imagine that today is your birthday. One of the things you might do on or around your birthday is to take a look back at what you've accomplished in the year gone by. You might be glad at all the things you've done and a little sad at all the things you didn't get to do. You might feel proud that

What if you used to be really fit and now you're not? What if, as the years have gone by, you've added a couple of pounds here and there, and you suddenly notice you're 30 pounds heavier than you were at your 10th high school reunion? Or, what if you've never enjoyed the idea of exercising, exercise