How to live happily past 100, according to 7 of the world's oldest people

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Old woman close up.
Centenarians say there are six key things that could help you live to 100 and beyond.

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A 104-year-old has been a professional lobster woman since she was 8. She says the secret to her longevity is keeping busy.

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An older woman banding lobsters on a boat.
Virginia Oliver measures and bands lobsters on her son Max Oliver's boat.

Robert F. Bukaty

A healthy, active 100-year-old shares her 3 science-backed tips for living a long, happy life

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Barbara Fleischman sat on a hair in a colorful jacket.
Barbara Fleischman is 100 years old.

Optimist Consulting

A man who's been having breakfast at McDonald's almost every day for 36 years went to the chain for his 100th birthday

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A chicken sandwich, french fries, a Big Mac box, and a soda on a tray.
McDonald's meal.

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