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