She attributes her longevity to God, but her family thinks lifestyle factors play a part too. Francis also has some memory problems, but she's mentally alert and recognizes her family, Williams told TODAY.com. She told TODAY.com last summer, "It's not my secret. But her family thinks a few lifestyle factors have contributed to her living so long. Harrison told ABC13 that she has never seen her grandmother eat fast food.

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Persons: Elizabeth Francis, —, William Taft, Theodore Roosevelt, couldn't, Edie Ceccarelli, Francis, Dorothy Williams, TODAY.com, Williams, Francis doesn't, Ethel Harrison, Harrison, ABC13 Organizations: Service, Washington Post Locations: United States, Louisiana, Texas