✅ Yes, the content seems to be true and authentic, as reported by several sources.

These, include:

- https://www.yahoo.com/news/watching-health-hunters-153136448.html (Trust Score 8/10)

- https://www.yahoo.com/lifestyle/scientists-may-discovered-limit-human-174100249.html (Trust Score 8/10)

- https://www.aol.com/101-old-former-doctor-worked-103301636.html (Trust Score 7/10)

- The first source from Yahoo News discusses a 101-year-old former doctor who shared his longevity secrets, including eating sardines, and highlights the importance of regular exercise and a varied career.

- The second source, also from Yahoo, mentions the same individual and his longevity secrets, including the consumption of sardines, and provides context on the current limits of human life spans.

- The third source from AOL details the 101-year-old former doctor's habits, such as eating sardines since he was six, engaging in regular exercise, and maintaining a purposeful and varied career.

All these sources corroborate the information about the 101-year-old former doctor sharing his longevity secrets, which include eating sardines.