So who's "old" these days? The 60-year-old with twins in preschool? The 65-year-old launching a second career? This guide provides a look at how soon-to-be retirees are different than the generations before it.

Throwing the pitch toward a different target.
A dermatologist looks at crow's-feet and cosmetic changes.
There are good things about passing 60, but the "whammies" add up.
With advanced medicine, struggling with morality.
A physician discusses living more effectively.
