Will You Last 'til You're 100?

Hanging around for a century isn't as far-fetched as it was only a few years ago. Here's a self-analysis designed to help you stretch the limits of your life!

How long do you plan to live? Not that we're anxious to see you leave, but the question isn't as ridiculous as it sounds. Chances are you expect an old age like your parents' or grandparents'. If so, here's a wake-up call: Longevity is gaining on us--and at geometric speeds. "If you want to live a long life, you can," says ThirdAge's Dr. Walter Bortz, a nationally recognized expert on longevity and author of "Dare To Be 100." Take this quiz, and you'll find out how.