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Interactive |
What's your chance of reaching a very old age? That can depend on when you were born and even where you live. Click to find out more. |
Interactive |
Why do we get wrinkles, gray hair and stiff joints as we grow older? Click to learn about the aging process. |
Slide show |
How celebrities are aging We asked Dr. Tony Youn, a Michigan-based board-certified plastic surgeon, to weigh in on what work, if any, celebrities may have had done. (Youn hasn't treated any of those featured.) more photos |