In "Natalia Speaks," the second season of the documentary series currently available to stream on Max, Natalia Grace tells her side of the story. TruDiagnostic's assessment indicated that Natalia's biological age was close to 22. In theory, the older your biological age, the more likely you are to develop age-related diseases such as cancer or dementia. AdvertisementSome longevity researchers believe there are ways to "reverse" our biological age. For example, Steve Horvath, who invented a way to measure biological age, says he reversed his biological age by 4 years by eating less sugar and more vegetables, quitting smoking, and exercising more.

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Persons: —, Natalia, Max, Natalia Grace, Michael, Kristine Barnett, Kristine, Antwon, Halland Chen, Timothy Gossweiler, Gossweiler, Katherine Barnett, Clouse, Steve Horvath, David Sinclair, Sinclair, it's Organizations: Service, Business, National Institute, Aging, Research Locations: Indiana, Canada, Harvard