The Power Years': Make Your 40s the Best Years Yet

Retiring at 55 to a life filled with leisurely days of golf and afternoon cocktails is a dying concept, says Ken Dychtwald, psychologist, gerontologist and author of "The Power Years."

When it comes to retirement, "please forget everything you've been told," Dychtwald says in his new book. As the baby boomers reach their "golden years," they are redefining retirement just as they have redefined almost every stage of life up to that point.

More often, people are staying in the work force longer. One major reason is that life is expensive, and as people live longer, they need to work longer to support themselves. But many baby boomers decide to keep working because they are not r