Centenarians a Happy Lot, Survey Says

But aging baby boomers less content, wish they'd taken more chances in their lives

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Only 49 percent of boomers said that it's very important to maintain the traditional roles of husband and wife, compared with 67 percent of centenarians.

Both groups said that friends and family have the biggest impact on their lives and provide them with the most support. Staying close to friends and family is a secret to healthy aging for 97 percent of centenarians and 99 percent of boomers, and more than one-third of centenarians said they've maintained a friendship for more than 75 years.

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The American Academy of Family Physicians outlines good health habits for those age 60 and older.

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