Secrets of centenarians: 4 factors that influence who makes it to 100

13 April 2023

iStock.com/praetorianphoto

By Joe Hannan

How can you reach your 100th birthday? Find out the main factors behind longevity, from genetics to diet.

Key Takeaways

  • Yes, genetics are integral to longevity. But research suggests that so are lifestyle factors such as how much we eat, when we eat, and how both may influence our gut microbiota
  • These considerations may be critical given increasingly common struggles with overweight, obesity and sedentary lifestyle
  • Healthcare professionals can familiarise themselves with the latest evidence on the health factors that contribute to longevity

What’s the secret formula for living 100 years?

According to centenarian comedian George Burns, it was 20 cigars and six martinis daily and a distaste for fruits and vegetables. Actor Kirk Douglas, 103 at time of death, relied on more wholesome practices, such as daily activity and time with family. And Queen Elizabeth, who made it to 96, walked her dogs, rode horseback and strolled the grounds of her estates.







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